Home / 10,131,952.80-13,981,674.96-5,548,195.20

Finding the Fourth Proportional to 10,131,952.80, 13,981,674.96 and 5,548,195.20

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Solution

The fourth proportional to 10,131,952.80, 13,981,674.96 and 5,548,195.20 is: 7,656,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,952.80 : 13,981,674.96 = 5,548,195.20 : x
  2. Step 2: Convert to fraction form
    10,131,952.80/13,981,674.96 = 5,548,195.20/x
  3. Step 3: Cross multiply
    10,131,952.80x = 13,981,674.96 × 5,548,195.20
  4. Step 4: Simplify right side
    10,131,952.80x = 77,573,061,901,032.20
  5. Step 5: Solve for x
    x = 77,573,061,901,032.20/10,131,952.80
  6. Step 6: Final answer
    x = 7,656,279.44

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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.