Home / 11,442,396.81-15,775,481.96-8,257,151.30

Finding the Fourth Proportional to 11,442,396.81, 15,775,481.96 and 8,257,151.30

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Solution

The fourth proportional to 11,442,396.81, 15,775,481.96 and 8,257,151.30 is: 11,384,025.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,442,396.81 : 15,775,481.96 = 8,257,151.30 : x
  2. Step 2: Convert to fraction form
    11,442,396.81/15,775,481.96 = 8,257,151.30/x
  3. Step 3: Cross multiply
    11,442,396.81x = 15,775,481.96 × 8,257,151.30
  4. Step 4: Simplify right side
    11,442,396.81x = 130,260,541,253,977.38
  5. Step 5: Solve for x
    x = 130,260,541,253,977.38/11,442,396.81
  6. Step 6: Final answer
    x = 11,384,025.87

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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.