Home / 15,469,979.40-23,189,660.10-6,838,765.20

Finding the Fourth Proportional to 15,469,979.40, 23,189,660.10 and 6,838,765.20

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Solution

The fourth proportional to 15,469,979.40, 23,189,660.10 and 6,838,765.20 is: 10,251,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,469,979.40 : 23,189,660.10 = 6,838,765.20 : x
  2. Step 2: Convert to fraction form
    15,469,979.40/23,189,660.10 = 6,838,765.20/x
  3. Step 3: Cross multiply
    15,469,979.40x = 23,189,660.10 × 6,838,765.20
  4. Step 4: Simplify right side
    15,469,979.40x = 158,588,640,491,708.53
  5. Step 5: Solve for x
    x = 158,588,640,491,708.53/15,469,979.40
  6. Step 6: Final answer
    x = 10,251,380.20

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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.