Home / 27,820,747.62-38,397,229.07-15,434,831.52

Finding the Fourth Proportional to 27,820,747.62, 38,397,229.07 and 15,434,831.52

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Solution

The fourth proportional to 27,820,747.62, 38,397,229.07 and 15,434,831.52 is: 21,302,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,820,747.62 : 38,397,229.07 = 15,434,831.52 : x
  2. Step 2: Convert to fraction form
    27,820,747.62/38,397,229.07 = 15,434,831.52/x
  3. Step 3: Cross multiply
    27,820,747.62x = 38,397,229.07 × 15,434,831.52
  4. Step 4: Simplify right side
    27,820,747.62x = 592,654,761,712,872.88
  5. Step 5: Solve for x
    x = 592,654,761,712,872.88/27,820,747.62
  6. Step 6: Final answer
    x = 21,302,618.10

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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.