Home / 43,684,861.60-65,522,043.60-18,123,205.60

Finding the Fourth Proportional to 43,684,861.60, 65,522,043.60 and 18,123,205.60

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Solution

The fourth proportional to 43,684,861.60, 65,522,043.60 and 18,123,205.60 is: 27,182,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,684,861.60 : 65,522,043.60 = 18,123,205.60 : x
  2. Step 2: Convert to fraction form
    43,684,861.60/65,522,043.60 = 18,123,205.60/x
  3. Step 3: Cross multiply
    43,684,861.60x = 65,522,043.60 × 18,123,205.60
  4. Step 4: Simplify right side
    43,684,861.60x = 1,187,469,467,494,964.25
  5. Step 5: Solve for x
    x = 1,187,469,467,494,964.25/43,684,861.60
  6. Step 6: Final answer
    x = 27,182,630.87

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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.