Home / 20,168,150.61-27,824,116.50-12,419,740.83

Finding the Fourth Proportional to 20,168,150.61, 27,824,116.50 and 12,419,740.83

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Solution

The fourth proportional to 20,168,150.61, 27,824,116.50 and 12,419,740.83 is: 17,134,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,168,150.61 : 27,824,116.50 = 12,419,740.83 : x
  2. Step 2: Convert to fraction form
    20,168,150.61/27,824,116.50 = 12,419,740.83/x
  3. Step 3: Cross multiply
    20,168,150.61x = 27,824,116.50 × 12,419,740.83
  4. Step 4: Simplify right side
    20,168,150.61x = 345,568,315,753,726.69
  5. Step 5: Solve for x
    x = 345,568,315,753,726.69/20,168,150.61
  6. Step 6: Final answer
    x = 17,134,358.15

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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.