Home / 7,244,979.10-10,867,468.65-5,438,079.70

Finding the Fourth Proportional to 7,244,979.10, 10,867,468.65 and 5,438,079.70

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Solution

The fourth proportional to 7,244,979.10, 10,867,468.65 and 5,438,079.70 is: 8,157,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,979.10 : 10,867,468.65 = 5,438,079.70 : x
  2. Step 2: Convert to fraction form
    7,244,979.10/10,867,468.65 = 5,438,079.70/x
  3. Step 3: Cross multiply
    7,244,979.10x = 10,867,468.65 × 5,438,079.70
  4. Step 4: Simplify right side
    7,244,979.10x = 59,098,160,655,951.41
  5. Step 5: Solve for x
    x = 59,098,160,655,951.41/7,244,979.10
  6. Step 6: Final answer
    x = 8,157,119.55

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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.