Home / 18,451,712.10-27,677,568.15-8,864,778.90

Finding the Fourth Proportional to 18,451,712.10, 27,677,568.15 and 8,864,778.90

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Solution

The fourth proportional to 18,451,712.10, 27,677,568.15 and 8,864,778.90 is: 13,297,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,712.10 : 27,677,568.15 = 8,864,778.90 : x
  2. Step 2: Convert to fraction form
    18,451,712.10/27,677,568.15 = 8,864,778.90/x
  3. Step 3: Cross multiply
    18,451,712.10x = 27,677,568.15 × 8,864,778.90
  4. Step 4: Simplify right side
    18,451,712.10x = 245,355,522,139,432.03
  5. Step 5: Solve for x
    x = 245,355,522,139,432.03/18,451,712.10
  6. Step 6: Final answer
    x = 13,297,168.35

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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.