Home / 8,108,618.40-12,159,340.92-2,427,783.84

Finding the Fourth Proportional to 8,108,618.40, 12,159,340.92 and 2,427,783.84

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Solution

The fourth proportional to 8,108,618.40, 12,159,340.92 and 2,427,783.84 is: 3,640,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108,618.40 : 12,159,340.92 = 2,427,783.84 : x
  2. Step 2: Convert to fraction form
    8,108,618.40/12,159,340.92 = 2,427,783.84/x
  3. Step 3: Cross multiply
    8,108,618.40x = 12,159,340.92 × 2,427,783.84
  4. Step 4: Simplify right side
    8,108,618.40x = 29,520,251,390,626.73
  5. Step 5: Solve for x
    x = 29,520,251,390,626.73/8,108,618.40
  6. Step 6: Final answer
    x = 3,640,601.88

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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.