Home / 7,438,037.28-11,146,508.64-3,115,429.44

Finding the Fourth Proportional to 7,438,037.28, 11,146,508.64 and 3,115,429.44

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Solution

The fourth proportional to 7,438,037.28, 11,146,508.64 and 3,115,429.44 is: 4,668,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,037.28 : 11,146,508.64 = 3,115,429.44 : x
  2. Step 2: Convert to fraction form
    7,438,037.28/11,146,508.64 = 3,115,429.44/x
  3. Step 3: Cross multiply
    7,438,037.28x = 11,146,508.64 × 3,115,429.44
  4. Step 4: Simplify right side
    7,438,037.28x = 34,726,161,170,270.36
  5. Step 5: Solve for x
    x = 34,726,161,170,270.36/7,438,037.28
  6. Step 6: Final answer
    x = 4,668,726.42

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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.