Home / 15,719,778.86-21,693,072.62-8,844,244.52

Finding the Fourth Proportional to 15,719,778.86, 21,693,072.62 and 8,844,244.52

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Solution

The fourth proportional to 15,719,778.86, 21,693,072.62 and 8,844,244.52 is: 12,204,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719,778.86 : 21,693,072.62 = 8,844,244.52 : x
  2. Step 2: Convert to fraction form
    15,719,778.86/21,693,072.62 = 8,844,244.52/x
  3. Step 3: Cross multiply
    15,719,778.86x = 21,693,072.62 × 8,844,244.52
  4. Step 4: Simplify right side
    15,719,778.86x = 191,858,838,641,397.03
  5. Step 5: Solve for x
    x = 191,858,838,641,397.03/15,719,778.86
  6. Step 6: Final answer
    x = 12,204,932.42

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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.