Home / 18,772,999.56-28,167,591.24-10,135,384.92

Finding the Fourth Proportional to 18,772,999.56, 28,167,591.24 and 10,135,384.92

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Solution

The fourth proportional to 18,772,999.56, 28,167,591.24 and 10,135,384.92 is: 15,207,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772,999.56 : 28,167,591.24 = 10,135,384.92 : x
  2. Step 2: Convert to fraction form
    18,772,999.56/28,167,591.24 = 10,135,384.92/x
  3. Step 3: Cross multiply
    18,772,999.56x = 28,167,591.24 × 10,135,384.92
  4. Step 4: Simplify right side
    18,772,999.56x = 285,489,379,486,620.06
  5. Step 5: Solve for x
    x = 285,489,379,486,620.06/18,772,999.56
  6. Step 6: Final answer
    x = 15,207,446.13

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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.