Home / 18,448,507.60-27,672,761.40-8,351,128.60

Finding the Fourth Proportional to 18,448,507.60, 27,672,761.40 and 8,351,128.60

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Solution

The fourth proportional to 18,448,507.60, 27,672,761.40 and 8,351,128.60 is: 12,526,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448,507.60 : 27,672,761.40 = 8,351,128.60 : x
  2. Step 2: Convert to fraction form
    18,448,507.60/27,672,761.40 = 8,351,128.60/x
  3. Step 3: Cross multiply
    18,448,507.60x = 27,672,761.40 × 8,351,128.60
  4. Step 4: Simplify right side
    18,448,507.60x = 231,098,789,168,516.03
  5. Step 5: Solve for x
    x = 231,098,789,168,516.03/18,448,507.60
  6. Step 6: Final answer
    x = 12,526,692.90

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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.