Home / 8,394,423.20-12,591,634.80-6,567,840.80

Finding the Fourth Proportional to 8,394,423.20, 12,591,634.80 and 6,567,840.80

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Solution

The fourth proportional to 8,394,423.20, 12,591,634.80 and 6,567,840.80 is: 9,851,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,423.20 : 12,591,634.80 = 6,567,840.80 : x
  2. Step 2: Convert to fraction form
    8,394,423.20/12,591,634.80 = 6,567,840.80/x
  3. Step 3: Cross multiply
    8,394,423.20x = 12,591,634.80 × 6,567,840.80
  4. Step 4: Simplify right side
    8,394,423.20x = 82,699,852,778,139.84
  5. Step 5: Solve for x
    x = 82,699,852,778,139.84/8,394,423.20
  6. Step 6: Final answer
    x = 9,851,761.20

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1.5x scale

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.