Finding the Fourth Proportional to 19,658,162.97, 29,485,251.55 and 5,279,362.41
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Solution
The fourth proportional to 19,658,162.97, 29,485,251.55 and 5,279,362.41 is: 7,918,508.41
Step by Step Solution
- Step 1: Write the proportion equation
19,658,162.97 : 29,485,251.55 = 5,279,362.41 : x - Step 2: Convert to fraction form
19,658,162.97/29,485,251.55 = 5,279,362.41/x - Step 3: Cross multiply
19,658,162.97x = 29,485,251.55 × 5,279,362.41 - Step 4: Simplify right side
19,658,162.97x = 155,663,328,799,633.12 - Step 5: Solve for x
x = 155,663,328,799,633.12/19,658,162.97 - Step 6: Final answer
x = 7,918,508.41
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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.