Finding the Fourth Proportional to 39,149,744.60, 58,745,612.10 and 16,432,938.20
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Solution
The fourth proportional to 39,149,744.60, 58,745,612.10 and 16,432,938.20 is: 24,658,219.95
Step by Step Solution
- Step 1: Write the proportion equation
39,149,744.60 : 58,745,612.10 = 16,432,938.20 : x - Step 2: Convert to fraction form
39,149,744.60/58,745,612.10 = 16,432,938.20/x - Step 3: Cross multiply
39,149,744.60x = 58,745,612.10 × 16,432,938.20 - Step 4: Simplify right side
39,149,744.60x = 965,363,013,160,472.25 - Step 5: Solve for x
x = 965,363,013,160,472.25/39,149,744.60 - Step 6: Final answer
x = 24,658,219.95
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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.