Home / 6,380,815.28-8,805,310.20-3,801,159.92

Finding the Fourth Proportional to 6,380,815.28, 8,805,310.20 and 3,801,159.92

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Solution

The fourth proportional to 6,380,815.28, 8,805,310.20 and 3,801,159.92 is: 5,245,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,380,815.28 : 8,805,310.20 = 3,801,159.92 : x
  2. Step 2: Convert to fraction form
    6,380,815.28/8,805,310.20 = 3,801,159.92/x
  3. Step 3: Cross multiply
    6,380,815.28x = 8,805,310.20 × 3,801,159.92
  4. Step 4: Simplify right side
    6,380,815.28x = 33,470,392,215,407.18
  5. Step 5: Solve for x
    x = 33,470,392,215,407.18/6,380,815.28
  6. Step 6: Final answer
    x = 5,245,472.68

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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.