Home / 15,375,752.88-21,223,882.61-8,851,982.43

Finding the Fourth Proportional to 15,375,752.88, 21,223,882.61 and 8,851,982.43

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Solution

The fourth proportional to 15,375,752.88, 21,223,882.61 and 8,851,982.43 is: 12,218,812.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,375,752.88 : 21,223,882.61 = 8,851,982.43 : x
  2. Step 2: Convert to fraction form
    15,375,752.88/21,223,882.61 = 8,851,982.43/x
  3. Step 3: Cross multiply
    15,375,752.88x = 21,223,882.61 × 8,851,982.43
  4. Step 4: Simplify right side
    15,375,752.88x = 187,873,435,915,842.62
  5. Step 5: Solve for x
    x = 187,873,435,915,842.62/15,375,752.88
  6. Step 6: Final answer
    x = 12,218,812.14

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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.