Home / 8,394,416.80-12,591,625.20-8,207,792.80

Finding the Fourth Proportional to 8,394,416.80, 12,591,625.20 and 8,207,792.80

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Solution

The fourth proportional to 8,394,416.80, 12,591,625.20 and 8,207,792.80 is: 12,311,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,416.80 : 12,591,625.20 = 8,207,792.80 : x
  2. Step 2: Convert to fraction form
    8,394,416.80/12,591,625.20 = 8,207,792.80/x
  3. Step 3: Cross multiply
    8,394,416.80x = 12,591,625.20 × 8,207,792.80
  4. Step 4: Simplify right side
    8,394,416.80x = 103,349,450,656,858.55
  5. Step 5: Solve for x
    x = 103,349,450,656,858.55/8,394,416.80
  6. Step 6: Final answer
    x = 12,311,689.20

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Double scale
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Similar ratio
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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.