Finding the Fourth Proportional to 11,454,575.31, 15,806,909.16 and 6,297,896.61
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Solution
The fourth proportional to 11,454,575.31, 15,806,909.16 and 6,297,896.61 is: 8,690,874.77
Step by Step Solution
- Step 1: Write the proportion equation
11,454,575.31 : 15,806,909.16 = 6,297,896.61 : x - Step 2: Convert to fraction form
11,454,575.31/15,806,909.16 = 6,297,896.61/x - Step 3: Cross multiply
11,454,575.31x = 15,806,909.16 × 6,297,896.61 - Step 4: Simplify right side
11,454,575.31x = 99,550,279,613,341.95 - Step 5: Solve for x
x = 99,550,279,613,341.95/11,454,575.31 - Step 6: Final answer
x = 8,690,874.77
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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.