Home / 13,940,868.13-20,919,493.79-5,853,221.84

Finding the Fourth Proportional to 13,940,868.13, 20,919,493.79 and 5,853,221.84

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Solution

The fourth proportional to 13,940,868.13, 20,919,493.79 and 5,853,221.84 is: 8,783,272.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940,868.13 : 20,919,493.79 = 5,853,221.84 : x
  2. Step 2: Convert to fraction form
    13,940,868.13/20,919,493.79 = 5,853,221.84/x
  3. Step 3: Cross multiply
    13,940,868.13x = 20,919,493.79 × 5,853,221.84
  4. Step 4: Simplify right side
    13,940,868.13x = 122,446,437,933,372.36
  5. Step 5: Solve for x
    x = 122,446,437,933,372.36/13,940,868.13
  6. Step 6: Final answer
    x = 8,783,272.09

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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.