Finding the Fourth Proportional to 29,687,591.60, 44,535,534.60 and 12,648,129.20
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Solution
The fourth proportional to 29,687,591.60, 44,535,534.60 and 12,648,129.20 is: 18,973,960.68
Step by Step Solution
- Step 1: Write the proportion equation
29,687,591.60 : 44,535,534.60 = 12,648,129.20 : x - Step 2: Convert to fraction form
29,687,591.60/44,535,534.60 = 12,648,129.20/x - Step 3: Cross multiply
29,687,591.60x = 44,535,534.60 × 12,648,129.20 - Step 4: Simplify right side
29,687,591.60x = 563,291,195,611,870.25 - Step 5: Solve for x
x = 563,291,195,611,870.25/29,687,591.60 - Step 6: Final answer
x = 18,973,960.68
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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.