Finding the Fourth Proportional to 7,164,708.24, 9,887,036.33 and 3,901,451.36
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Solution
The fourth proportional to 7,164,708.24, 9,887,036.33 and 3,901,451.36 is: 5,383,860.72
Step by Step Solution
- Step 1: Write the proportion equation
7,164,708.24 : 9,887,036.33 = 3,901,451.36 : x - Step 2: Convert to fraction form
7,164,708.24/9,887,036.33 = 3,901,451.36/x - Step 3: Cross multiply
7,164,708.24x = 9,887,036.33 × 3,901,451.36 - Step 4: Simplify right side
7,164,708.24x = 38,573,791,267,105.47 - Step 5: Solve for x
x = 38,573,791,267,105.47/7,164,708.24 - Step 6: Final answer
x = 5,383,860.72
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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.