Home / 15,106,700.41-20,847,249.56-8,231,182.47

Finding the Fourth Proportional to 15,106,700.41, 20,847,249.56 and 8,231,182.47

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Solution

The fourth proportional to 15,106,700.41, 20,847,249.56 and 8,231,182.47 is: 11,359,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,106,700.41 : 20,847,249.56 = 8,231,182.47 : x
  2. Step 2: Convert to fraction form
    15,106,700.41/20,847,249.56 = 8,231,182.47/x
  3. Step 3: Cross multiply
    15,106,700.41x = 20,847,249.56 × 8,231,182.47
  4. Step 4: Simplify right side
    15,106,700.41x = 171,597,515,146,565.16
  5. Step 5: Solve for x
    x = 171,597,515,146,565.16/15,106,700.41
  6. Step 6: Final answer
    x = 11,359,033.44

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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.