Home / 20,646,695.54-28,493,188.94-11,827,851.20

Finding the Fourth Proportional to 20,646,695.54, 28,493,188.94 and 11,827,851.20

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Solution

The fourth proportional to 20,646,695.54, 28,493,188.94 and 11,827,851.20 is: 16,322,863.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646,695.54 : 28,493,188.94 = 11,827,851.20 : x
  2. Step 2: Convert to fraction form
    20,646,695.54/28,493,188.94 = 11,827,851.20/x
  3. Step 3: Cross multiply
    20,646,695.54x = 28,493,188.94 × 11,827,851.20
  4. Step 4: Simplify right side
    20,646,695.54x = 337,013,198,995,805.75
  5. Step 5: Solve for x
    x = 337,013,198,995,805.75/20,646,695.54
  6. Step 6: Final answer
    x = 16,322,863.79

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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.