Finding the Fourth Proportional to 11,729,456.64, 16,186,387.14 and 6,834,373.92
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Solution
The fourth proportional to 11,729,456.64, 16,186,387.14 and 6,834,373.92 is: 9,431,282.75
Step by Step Solution
- Step 1: Write the proportion equation
11,729,456.64 : 16,186,387.14 = 6,834,373.92 : x - Step 2: Convert to fraction form
11,729,456.64/16,186,387.14 = 6,834,373.92/x - Step 3: Cross multiply
11,729,456.64x = 16,186,387.14 × 6,834,373.92 - Step 4: Simplify right side
11,729,456.64x = 110,623,822,128,639.39 - Step 5: Solve for x
x = 110,623,822,128,639.39/11,729,456.64 - Step 6: Final answer
x = 9,431,282.75
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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.