Home / 10,125,914.62-15,182,720.97-3,970,521.55

Finding the Fourth Proportional to 10,125,914.62, 15,182,720.97 and 3,970,521.55

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Solution

The fourth proportional to 10,125,914.62, 15,182,720.97 and 3,970,521.55 is: 5,953,370.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125,914.62 : 15,182,720.97 = 3,970,521.55 : x
  2. Step 2: Convert to fraction form
    10,125,914.62/15,182,720.97 = 3,970,521.55/x
  3. Step 3: Cross multiply
    10,125,914.62x = 15,182,720.97 × 3,970,521.55
  4. Step 4: Simplify right side
    10,125,914.62x = 60,283,320,799,021.91
  5. Step 5: Solve for x
    x = 60,283,320,799,021.91/10,125,914.62
  6. Step 6: Final answer
    x = 5,953,370.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.