Home / 18,378,082.60-27,567,123.90-4,914,910.60

Finding the Fourth Proportional to 18,378,082.60, 27,567,123.90 and 4,914,910.60

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Solution

The fourth proportional to 18,378,082.60, 27,567,123.90 and 4,914,910.60 is: 7,372,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,082.60 : 27,567,123.90 = 4,914,910.60 : x
  2. Step 2: Convert to fraction form
    18,378,082.60/27,567,123.90 = 4,914,910.60/x
  3. Step 3: Cross multiply
    18,378,082.60x = 27,567,123.90 × 4,914,910.60
  4. Step 4: Simplify right side
    18,378,082.60x = 135,489,949,467,623.33
  5. Step 5: Solve for x
    x = 135,489,949,467,623.33/18,378,082.60
  6. Step 6: Final answer
    x = 7,372,365.90

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1.5x scale

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.