Home / 56,268,665.39-84,391,188.12-15,869,701.55

Finding the Fourth Proportional to 56,268,665.39, 84,391,188.12 and 15,869,701.55

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Solution

The fourth proportional to 56,268,665.39, 84,391,188.12 and 15,869,701.55 is: 23,801,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,268,665.39 : 84,391,188.12 = 15,869,701.55 : x
  2. Step 2: Convert to fraction form
    56,268,665.39/84,391,188.12 = 15,869,701.55/x
  3. Step 3: Cross multiply
    56,268,665.39x = 84,391,188.12 × 15,869,701.55
  4. Step 4: Simplify right side
    56,268,665.39x = 1,339,262,969,125,283.75
  5. Step 5: Solve for x
    x = 1,339,262,969,125,283.75/56,268,665.39
  6. Step 6: Final answer
    x = 23,801,221.51

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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.