Finding the Fourth Proportional to 29,293,279.20, 40,427,120.88 and 16,244,631.18
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Solution
The fourth proportional to 29,293,279.20, 40,427,120.88 and 16,244,631.18 is: 22,418,919.50
Step by Step Solution
- Step 1: Write the proportion equation
29,293,279.20 : 40,427,120.88 = 16,244,631.18 : x - Step 2: Convert to fraction form
29,293,279.20/40,427,120.88 = 16,244,631.18/x - Step 3: Cross multiply
29,293,279.20x = 40,427,120.88 × 16,244,631.18 - Step 4: Simplify right side
29,293,279.20x = 656,723,668,364,877.12 - Step 5: Solve for x
x = 656,723,668,364,877.12/29,293,279.20 - Step 6: Final answer
x = 22,418,919.50
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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.