Home / 15,202,437.52-20,979,372.60-8,327,034.40

Finding the Fourth Proportional to 15,202,437.52, 20,979,372.60 and 8,327,034.40

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Solution

The fourth proportional to 15,202,437.52, 20,979,372.60 and 8,327,034.40 is: 11,491,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,437.52 : 20,979,372.60 = 8,327,034.40 : x
  2. Step 2: Convert to fraction form
    15,202,437.52/20,979,372.60 = 8,327,034.40/x
  3. Step 3: Cross multiply
    15,202,437.52x = 20,979,372.60 × 8,327,034.40
  4. Step 4: Simplify right side
    15,202,437.52x = 174,695,957,330,617.47
  5. Step 5: Solve for x
    x = 174,695,957,330,617.47/15,202,437.52
  6. Step 6: Final answer
    x = 11,491,312.30

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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.