Home / 11,853,715.20-17,788,867.20-5,126,956.80

Finding the Fourth Proportional to 11,853,715.20, 17,788,867.20 and 5,126,956.80

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Solution

The fourth proportional to 11,853,715.20, 17,788,867.20 and 5,126,956.80 is: 7,694,022.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,853,715.20 : 17,788,867.20 = 5,126,956.80 : x
  2. Step 2: Convert to fraction form
    11,853,715.20/17,788,867.20 = 5,126,956.80/x
  3. Step 3: Cross multiply
    11,853,715.20x = 17,788,867.20 × 5,126,956.80
  4. Step 4: Simplify right side
    11,853,715.20x = 91,202,753,655,336.95
  5. Step 5: Solve for x
    x = 91,202,753,655,336.95/11,853,715.20
  6. Step 6: Final answer
    x = 7,694,022.69

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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.