Home / 11,337,947.55-15,646,367.07-6,443,179.11

Finding the Fourth Proportional to 11,337,947.55, 15,646,367.07 and 6,443,179.11

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Solution

The fourth proportional to 11,337,947.55, 15,646,367.07 and 6,443,179.11 is: 8,891,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,337,947.55 : 15,646,367.07 = 6,443,179.11 : x
  2. Step 2: Convert to fraction form
    11,337,947.55/15,646,367.07 = 6,443,179.11/x
  3. Step 3: Cross multiply
    11,337,947.55x = 15,646,367.07 × 6,443,179.11
  4. Step 4: Simplify right side
    11,337,947.55x = 100,812,345,452,815.92
  5. Step 5: Solve for x
    x = 100,812,345,452,815.92/11,337,947.55
  6. Step 6: Final answer
    x = 8,891,586.86

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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.