Home / 8,361,809.20-12,542,713.80-2,682,607.60

Finding the Fourth Proportional to 8,361,809.20, 12,542,713.80 and 2,682,607.60

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Solution

The fourth proportional to 8,361,809.20, 12,542,713.80 and 2,682,607.60 is: 4,023,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361,809.20 : 12,542,713.80 = 2,682,607.60 : x
  2. Step 2: Convert to fraction form
    8,361,809.20/12,542,713.80 = 2,682,607.60/x
  3. Step 3: Cross multiply
    8,361,809.20x = 12,542,713.80 × 2,682,607.60
  4. Step 4: Simplify right side
    8,361,809.20x = 33,647,179,364,504.88
  5. Step 5: Solve for x
    x = 33,647,179,364,504.88/8,361,809.20
  6. Step 6: Final answer
    x = 4,023,911.40

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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.