Finding the Fourth Proportional to 49,942,492.80, 74,918,728.80 and 13,551,460.80
Calculator
Solution
The fourth proportional to 49,942,492.80, 74,918,728.80 and 13,551,460.80 is: 20,328,545.08
Step by Step Solution
- Step 1: Write the proportion equation
49,942,492.80 : 74,918,728.80 = 13,551,460.80 : x - Step 2: Convert to fraction form
49,942,492.80/74,918,728.80 = 13,551,460.80/x - Step 3: Cross multiply
49,942,492.80x = 74,918,728.80 × 13,551,460.80 - Step 4: Simplify right side
49,942,492.80x = 1,015,258,216,519,031 - Step 5: Solve for x
x = 1,015,258,216,519,031/49,942,492.80 - Step 6: Final answer
x = 20,328,545.08
Related Problems
Find fourth proportional to 24,971,246.40, 37,459,364.40 and 6,775,730.40
Half scale
Find fourth proportional to 99,884,985.60, 149,837,457.60 and 27,102,921.60
Double scale
Find fourth proportional to 49,942,493.80, 74,918,730.30 and 13,551,461.80
Similar ratio
Find fourth proportional to 74,913,739.20, 112,378,093.20 and 20,327,191.20
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.