Home / 13,591,101-18,755,713.92-7,479,529.50

Finding the Fourth Proportional to 13,591,101, 18,755,713.92 and 7,479,529.50

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Solution

The fourth proportional to 13,591,101, 18,755,713.92 and 7,479,529.50 is: 10,321,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,101 : 18,755,713.92 = 7,479,529.50 : x
  2. Step 2: Convert to fraction form
    13,591,101/18,755,713.92 = 7,479,529.50/x
  3. Step 3: Cross multiply
    13,591,101x = 18,755,713.92 × 7,479,529.50
  4. Step 4: Simplify right side
    13,591,101x = 140,283,915,558,200.66
  5. Step 5: Solve for x
    x = 140,283,915,558,200.66/13,591,101
  6. Step 6: Final answer
    x = 10,321,747.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.