Finding the Fourth Proportional to 15,118,108.97, 20,864,761.58 and 8,592,719.33
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Solution
The fourth proportional to 15,118,108.97, 20,864,761.58 and 8,592,719.33 is: 11,858,959.39
Step by Step Solution
- Step 1: Write the proportion equation
15,118,108.97 : 20,864,761.58 = 8,592,719.33 : x - Step 2: Convert to fraction form
15,118,108.97/20,864,761.58 = 8,592,719.33/x - Step 3: Cross multiply
15,118,108.97x = 20,864,761.58 × 8,592,719.33 - Step 4: Simplify right side
15,118,108.97x = 179,285,040,217,951.03 - Step 5: Solve for x
x = 179,285,040,217,951.03/15,118,108.97 - Step 6: Final answer
x = 11,858,959.39
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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.