Finding the Fourth Proportional to 29,172,307.01, 40,257,770.38 and 16,119,451.76
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Solution
The fourth proportional to 29,172,307.01, 40,257,770.38 and 16,119,451.76 is: 22,244,836.08
Step by Step Solution
- Step 1: Write the proportion equation
29,172,307.01 : 40,257,770.38 = 16,119,451.76 : x - Step 2: Convert to fraction form
29,172,307.01/40,257,770.38 = 16,119,451.76/x - Step 3: Cross multiply
29,172,307.01x = 40,257,770.38 × 16,119,451.76 - Step 4: Simplify right side
29,172,307.01x = 648,933,187,363,979.38 - Step 5: Solve for x
x = 648,933,187,363,979.38/29,172,307.01 - Step 6: Final answer
x = 22,244,836.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.