Home / 15,202,443.02-20,979,380.19-8,327,039.90

Finding the Fourth Proportional to 15,202,443.02, 20,979,380.19 and 8,327,039.90

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Solution

The fourth proportional to 15,202,443.02, 20,979,380.19 and 8,327,039.90 is: 11,491,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,443.02 : 20,979,380.19 = 8,327,039.90 : x
  2. Step 2: Convert to fraction form
    15,202,443.02/20,979,380.19 = 8,327,039.90/x
  3. Step 3: Cross multiply
    15,202,443.02x = 20,979,380.19 × 8,327,039.90
  4. Step 4: Simplify right side
    15,202,443.02x = 174,696,135,919,399.59
  5. Step 5: Solve for x
    x = 174,696,135,919,399.59/15,202,443.02
  6. Step 6: Final answer
    x = 11,491,319.89

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1.5x scale

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.