Finding the Fourth Proportional to 29,125,789.04, 40,194,554.24 and 15,895,690.36
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Solution
The fourth proportional to 29,125,789.04, 40,194,554.24 and 15,895,690.36 is: 21,936,579.55
Step by Step Solution
- Step 1: Write the proportion equation
29,125,789.04 : 40,194,554.24 = 15,895,690.36 : x - Step 2: Convert to fraction form
29,125,789.04/40,194,554.24 = 15,895,690.36/x - Step 3: Cross multiply
29,125,789.04x = 40,194,554.24 × 15,895,690.36 - Step 4: Simplify right side
29,125,789.04x = 638,920,188,357,265.12 - Step 5: Solve for x
x = 638,920,188,357,265.12/29,125,789.04 - Step 6: Final answer
x = 21,936,579.55
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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.