Home / 18,378,082.35-27,567,123.53-4,914,910.35

Finding the Fourth Proportional to 18,378,082.35, 27,567,123.53 and 4,914,910.35

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Solution

The fourth proportional to 18,378,082.35, 27,567,123.53 and 4,914,910.35 is: 7,372,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,082.35 : 27,567,123.53 = 4,914,910.35 : x
  2. Step 2: Convert to fraction form
    18,378,082.35/27,567,123.53 = 4,914,910.35/x
  3. Step 3: Cross multiply
    18,378,082.35x = 27,567,123.53 × 4,914,910.35
  4. Step 4: Simplify right side
    18,378,082.35x = 135,489,940,732,750.97
  5. Step 5: Solve for x
    x = 135,489,940,732,750.97/18,378,082.35
  6. Step 6: Final answer
    x = 7,372,365.53

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Similar ratio
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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.