Home / 13,715,731.95-20,578,171.38-9,122,824.96

Finding the Fourth Proportional to 13,715,731.95, 20,578,171.38 and 9,122,824.96

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Solution

The fourth proportional to 13,715,731.95, 20,578,171.38 and 9,122,824.96 is: 13,687,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,715,731.95 : 20,578,171.38 = 9,122,824.96 : x
  2. Step 2: Convert to fraction form
    13,715,731.95/20,578,171.38 = 9,122,824.96/x
  3. Step 3: Cross multiply
    13,715,731.95x = 20,578,171.38 × 9,122,824.96
  4. Step 4: Simplify right side
    13,715,731.95x = 187,731,055,496,621.66
  5. Step 5: Solve for x
    x = 187,731,055,496,621.66/13,715,731.95
  6. Step 6: Final answer
    x = 13,687,279.41

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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.