Home / 18,844,691.56-28,269,681.42-9,260,447.56

Finding the Fourth Proportional to 18,844,691.56, 28,269,681.42 and 9,260,447.56

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Solution

The fourth proportional to 18,844,691.56, 28,269,681.42 and 9,260,447.56 is: 13,891,970.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844,691.56 : 28,269,681.42 = 9,260,447.56 : x
  2. Step 2: Convert to fraction form
    18,844,691.56/28,269,681.42 = 9,260,447.56/x
  3. Step 3: Cross multiply
    18,844,691.56x = 28,269,681.42 × 9,260,447.56
  4. Step 4: Simplify right side
    18,844,691.56x = 261,789,902,327,816.38
  5. Step 5: Solve for x
    x = 261,789,902,327,816.38/18,844,691.56
  6. Step 6: Final answer
    x = 13,891,970.66

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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.