Home / 8,727,344.70-13,098,793.05-5,128,611.90

Finding the Fourth Proportional to 8,727,344.70, 13,098,793.05 and 5,128,611.90

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Solution

The fourth proportional to 8,727,344.70, 13,098,793.05 and 5,128,611.90 is: 7,697,487.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727,344.70 : 13,098,793.05 = 5,128,611.90 : x
  2. Step 2: Convert to fraction form
    8,727,344.70/13,098,793.05 = 5,128,611.90/x
  3. Step 3: Cross multiply
    8,727,344.70x = 13,098,793.05 × 5,128,611.90
  4. Step 4: Simplify right side
    8,727,344.70x = 67,178,625,911,867.30
  5. Step 5: Solve for x
    x = 67,178,625,911,867.30/8,727,344.70
  6. Step 6: Final answer
    x = 7,697,487.41

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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.