Home / 15,189,844.21-20,957,839.77-8,661,092.74

Finding the Fourth Proportional to 15,189,844.21, 20,957,839.77 and 8,661,092.74

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Solution

The fourth proportional to 15,189,844.21, 20,957,839.77 and 8,661,092.74 is: 11,949,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,189,844.21 : 20,957,839.77 = 8,661,092.74 : x
  2. Step 2: Convert to fraction form
    15,189,844.21/20,957,839.77 = 8,661,092.74/x
  3. Step 3: Cross multiply
    15,189,844.21x = 20,957,839.77 × 8,661,092.74
  4. Step 4: Simplify right side
    15,189,844.21x = 181,517,793,878,030.28
  5. Step 5: Solve for x
    x = 181,517,793,878,030.28/15,189,844.21
  6. Step 6: Final answer
    x = 11,949,944.41

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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.