Home / 8,361,947.40-12,542,921.10-2,682,745.80

Finding the Fourth Proportional to 8,361,947.40, 12,542,921.10 and 2,682,745.80

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Solution

The fourth proportional to 8,361,947.40, 12,542,921.10 and 2,682,745.80 is: 4,024,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,947.40 : 12,542,921.10 = 2,682,745.80 : x
  2. Step 2: Convert to fraction form
    8,361,947.40/12,542,921.10 = 2,682,745.80/x
  3. Step 3: Cross multiply
    8,361,947.40x = 12,542,921.10 × 2,682,745.80
  4. Step 4: Simplify right side
    8,361,947.40x = 33,649,468,900,756.38
  5. Step 5: Solve for x
    x = 33,649,468,900,756.38/8,361,947.40
  6. Step 6: Final answer
    x = 4,024,118.70

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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.