Home / 13,517,839.20-18,654,538.25-7,323,003.98

Finding the Fourth Proportional to 13,517,839.20, 18,654,538.25 and 7,323,003.98

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Solution

The fourth proportional to 13,517,839.20, 18,654,538.25 and 7,323,003.98 is: 10,105,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517,839.20 : 18,654,538.25 = 7,323,003.98 : x
  2. Step 2: Convert to fraction form
    13,517,839.20/18,654,538.25 = 7,323,003.98/x
  3. Step 3: Cross multiply
    13,517,839.20x = 18,654,538.25 × 7,323,003.98
  4. Step 4: Simplify right side
    13,517,839.20x = 136,607,257,849,812.25
  5. Step 5: Solve for x
    x = 136,607,257,849,812.25/13,517,839.20
  6. Step 6: Final answer
    x = 10,105,702.24

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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.