Finding the Fourth Proportional to 27,603,265.05, 38,092,010.81 and 15,044,432.31
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Solution
The fourth proportional to 27,603,265.05, 38,092,010.81 and 15,044,432.31 is: 20,761,046.82
Step by Step Solution
- Step 1: Write the proportion equation
27,603,265.05 : 38,092,010.81 = 15,044,432.31 : x - Step 2: Convert to fraction form
27,603,265.05/38,092,010.81 = 15,044,432.31/x - Step 3: Cross multiply
27,603,265.05x = 38,092,010.81 × 15,044,432.31 - Step 4: Simplify right side
27,603,265.05x = 573,072,678,107,611.12 - Step 5: Solve for x
x = 573,072,678,107,611.12/27,603,265.05 - Step 6: Final answer
x = 20,761,046.82
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1.5x scale
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.