Home / 10,382,214.38-15,576,648.42-7,269,508.10

Finding the Fourth Proportional to 10,382,214.38, 15,576,648.42 and 7,269,508.10

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Solution

The fourth proportional to 10,382,214.38, 15,576,648.42 and 7,269,508.10 is: 10,906,591.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,214.38 : 15,576,648.42 = 7,269,508.10 : x
  2. Step 2: Convert to fraction form
    10,382,214.38/15,576,648.42 = 7,269,508.10/x
  3. Step 3: Cross multiply
    10,382,214.38x = 15,576,648.42 × 7,269,508.10
  4. Step 4: Simplify right side
    10,382,214.38x = 113,234,571,782,158.95
  5. Step 5: Solve for x
    x = 113,234,571,782,158.95/10,382,214.38
  6. Step 6: Final answer
    x = 10,906,591.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.