Finding the Fourth Proportional to 29,125,816.41, 40,194,592.08 and 15,895,717.74
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Solution
The fourth proportional to 29,125,816.41, 40,194,592.08 and 15,895,717.74 is: 21,936,617.38
Step by Step Solution
- Step 1: Write the proportion equation
29,125,816.41 : 40,194,592.08 = 15,895,717.74 : x - Step 2: Convert to fraction form
29,125,816.41/40,194,592.08 = 15,895,717.74/x - Step 3: Cross multiply
29,125,816.41x = 40,194,592.08 × 15,895,717.74 - Step 4: Simplify right side
29,125,816.41x = 638,921,890,378,119.50 - Step 5: Solve for x
x = 638,921,890,378,119.50/29,125,816.41 - Step 6: Final answer
x = 21,936,617.38
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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.