Home / 15,295,229.92-21,111,874.56-9,997,694.44

Finding the Fourth Proportional to 15,295,229.92, 21,111,874.56 and 9,997,694.44

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Solution

The fourth proportional to 15,295,229.92, 21,111,874.56 and 9,997,694.44 is: 13,799,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,295,229.92 : 21,111,874.56 = 9,997,694.44 : x
  2. Step 2: Convert to fraction form
    15,295,229.92/21,111,874.56 = 9,997,694.44/x
  3. Step 3: Cross multiply
    15,295,229.92x = 21,111,874.56 × 9,997,694.44
  4. Step 4: Simplify right side
    15,295,229.92x = 211,070,070,906,489.44
  5. Step 5: Solve for x
    x = 211,070,070,906,489.44/15,295,229.92
  6. Step 6: Final answer
    x = 13,799,731.81

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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.