Finding the Fourth Proportional to 15,238,721.70, 22,858,082.55 and 6,145,175.70
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Solution
The fourth proportional to 15,238,721.70, 22,858,082.55 and 6,145,175.70 is: 9,217,763.55
Step by Step Solution
- Step 1: Write the proportion equation
15,238,721.70 : 22,858,082.55 = 6,145,175.70 : x - Step 2: Convert to fraction form
15,238,721.70/22,858,082.55 = 6,145,175.70/x - Step 3: Cross multiply
15,238,721.70x = 22,858,082.55 × 6,145,175.70 - Step 4: Simplify right side
15,238,721.70x = 140,466,933,434,854.05 - Step 5: Solve for x
x = 140,466,933,434,854.05/15,238,721.70 - Step 6: Final answer
x = 9,217,763.55
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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.