Home / 18,451,705.10-27,677,557.65-8,864,771.90

Finding the Fourth Proportional to 18,451,705.10, 27,677,557.65 and 8,864,771.90

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Solution

The fourth proportional to 18,451,705.10, 27,677,557.65 and 8,864,771.90 is: 13,297,157.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451,705.10 : 27,677,557.65 = 8,864,771.90 : x
  2. Step 2: Convert to fraction form
    18,451,705.10/27,677,557.65 = 8,864,771.90/x
  3. Step 3: Cross multiply
    18,451,705.10x = 27,677,557.65 × 8,864,771.90
  4. Step 4: Simplify right side
    18,451,705.10x = 245,355,235,316,350.03
  5. Step 5: Solve for x
    x = 245,355,235,316,350.03/18,451,705.10
  6. Step 6: Final answer
    x = 13,297,157.85

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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.