Finding the Fourth Proportional to 57,981,840.97, 86,972,761.51 and 17,592,324.97
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Solution
The fourth proportional to 57,981,840.97, 86,972,761.51 and 17,592,324.97 is: 26,388,487.47
Step by Step Solution
- Step 1: Write the proportion equation
57,981,840.97 : 86,972,761.51 = 17,592,324.97 : x - Step 2: Convert to fraction form
57,981,840.97/86,972,761.51 = 17,592,324.97/x - Step 3: Cross multiply
57,981,840.97x = 86,972,761.51 × 17,592,324.97 - Step 4: Simplify right side
57,981,840.97x = 1,530,053,083,934,266 - Step 5: Solve for x
x = 1,530,053,083,934,266/57,981,840.97 - Step 6: Final answer
x = 26,388,487.47
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1.5x scale
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.