Finding the Fourth Proportional to 31,696,836.44, 47,542,929.14 and 10,125,646.26
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Solution
The fourth proportional to 31,696,836.44, 47,542,929.14 and 10,125,646.26 is: 15,187,726.50
Step by Step Solution
- Step 1: Write the proportion equation
31,696,836.44 : 47,542,929.14 = 10,125,646.26 : x - Step 2: Convert to fraction form
31,696,836.44/47,542,929.14 = 10,125,646.26/x - Step 3: Cross multiply
31,696,836.44x = 47,542,929.14 × 10,125,646.26 - Step 4: Simplify right side
31,696,836.44x = 481,402,882,635,886 - Step 5: Solve for x
x = 481,402,882,635,886/31,696,836.44 - Step 6: Final answer
x = 15,187,726.50
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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.