Home / 10,065,217.20-15,082,895.76-7,392,761.52

Finding the Fourth Proportional to 10,065,217.20, 15,082,895.76 and 7,392,761.52

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Solution

The fourth proportional to 10,065,217.20, 15,082,895.76 and 7,392,761.52 is: 11,078,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065,217.20 : 15,082,895.76 = 7,392,761.52 : x
  2. Step 2: Convert to fraction form
    10,065,217.20/15,082,895.76 = 7,392,761.52/x
  3. Step 3: Cross multiply
    10,065,217.20x = 15,082,895.76 × 7,392,761.52
  4. Step 4: Simplify right side
    10,065,217.20x = 111,504,251,384,699.14
  5. Step 5: Solve for x
    x = 111,504,251,384,699.14/10,065,217.20
  6. Step 6: Final answer
    x = 11,078,176.37

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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.