Home / 10,631,712.20-15,949,901.10-3,442,022.60

Finding the Fourth Proportional to 10,631,712.20, 15,949,901.10 and 3,442,022.60

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Solution

The fourth proportional to 10,631,712.20, 15,949,901.10 and 3,442,022.60 is: 5,163,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,712.20 : 15,949,901.10 = 3,442,022.60 : x
  2. Step 2: Convert to fraction form
    10,631,712.20/15,949,901.10 = 3,442,022.60/x
  3. Step 3: Cross multiply
    10,631,712.20x = 15,949,901.10 × 3,442,022.60
  4. Step 4: Simplify right side
    10,631,712.20x = 54,899,920,053,964.86
  5. Step 5: Solve for x
    x = 54,899,920,053,964.86/10,631,712.20
  6. Step 6: Final answer
    x = 5,163,789.15

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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.