Home / 8,171,540.20-12,257,310.30-2,187,908.20

Finding the Fourth Proportional to 8,171,540.20, 12,257,310.30 and 2,187,908.20

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Solution

The fourth proportional to 8,171,540.20, 12,257,310.30 and 2,187,908.20 is: 3,281,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,540.20 : 12,257,310.30 = 2,187,908.20 : x
  2. Step 2: Convert to fraction form
    8,171,540.20/12,257,310.30 = 2,187,908.20/x
  3. Step 3: Cross multiply
    8,171,540.20x = 12,257,310.30 × 2,187,908.20
  4. Step 4: Simplify right side
    8,171,540.20x = 26,817,869,715,314.46
  5. Step 5: Solve for x
    x = 26,817,869,715,314.46/8,171,540.20
  6. Step 6: Final answer
    x = 3,281,862.30

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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.