Home / 19,422,120.20-29,120,738.70-8,067,086.60

Finding the Fourth Proportional to 19,422,120.20, 29,120,738.70 and 8,067,086.60

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Solution

The fourth proportional to 19,422,120.20, 29,120,738.70 and 8,067,086.60 is: 12,095,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422,120.20 : 29,120,738.70 = 8,067,086.60 : x
  2. Step 2: Convert to fraction form
    19,422,120.20/29,120,738.70 = 8,067,086.60/x
  3. Step 3: Cross multiply
    19,422,120.20x = 29,120,738.70 × 8,067,086.60
  4. Step 4: Simplify right side
    19,422,120.20x = 234,919,520,948,871.41
  5. Step 5: Solve for x
    x = 234,919,520,948,871.41/19,422,120.20
  6. Step 6: Final answer
    x = 12,095,462.21

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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.