V.A gracunas formulated the cross relationship formula which examine no of relationship between superior and subordinate .
According to him " no of subordinate increase arithmetically and relations between superior and subordinate increase geometrically
Which means in simple terms if superior handle 6 subordinate then relationship between them is 222 times.
Still His formula has not been proved but today increase intra and inter relationship in organizations
His theory is considered admittedly crude because of it increase the inefficiency in administration ..