Home / 14,761,961.40-22,142,942.10-8,391,862.20

Finding the Fourth Proportional to 14,761,961.40, 22,142,942.10 and 8,391,862.20

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Solution

The fourth proportional to 14,761,961.40, 22,142,942.10 and 8,391,862.20 is: 12,587,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761,961.40 : 22,142,942.10 = 8,391,862.20 : x
  2. Step 2: Convert to fraction form
    14,761,961.40/22,142,942.10 = 8,391,862.20/x
  3. Step 3: Cross multiply
    14,761,961.40x = 22,142,942.10 × 8,391,862.20
  4. Step 4: Simplify right side
    14,761,961.40x = 185,820,518,805,778.62
  5. Step 5: Solve for x
    x = 185,820,518,805,778.62/14,761,961.40
  6. Step 6: Final answer
    x = 12,587,793.30

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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.