Home / 15,304,481.47-21,119,753.05-8,335,001.71

Finding the Fourth Proportional to 15,304,481.47, 21,119,753.05 and 8,335,001.71

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Solution

The fourth proportional to 15,304,481.47, 21,119,753.05 and 8,335,001.71 is: 11,502,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,304,481.47 : 21,119,753.05 = 8,335,001.71 : x
  2. Step 2: Convert to fraction form
    15,304,481.47/21,119,753.05 = 8,335,001.71/x
  3. Step 3: Cross multiply
    15,304,481.47x = 21,119,753.05 × 8,335,001.71
  4. Step 4: Simplify right side
    15,304,481.47x = 176,033,177,786,527.72
  5. Step 5: Solve for x
    x = 176,033,177,786,527.72/15,304,481.47
  6. Step 6: Final answer
    x = 11,502,067.43

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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.