Home / 12,269,706.80-18,404,560.20-8,177,611.10

Finding the Fourth Proportional to 12,269,706.80, 18,404,560.20 and 8,177,611.10

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Solution

The fourth proportional to 12,269,706.80, 18,404,560.20 and 8,177,611.10 is: 12,266,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,706.80 : 18,404,560.20 = 8,177,611.10 : x
  2. Step 2: Convert to fraction form
    12,269,706.80/18,404,560.20 = 8,177,611.10/x
  3. Step 3: Cross multiply
    12,269,706.80x = 18,404,560.20 × 8,177,611.10
  4. Step 4: Simplify right side
    12,269,706.80x = 150,505,335,782,138.22
  5. Step 5: Solve for x
    x = 150,505,335,782,138.22/12,269,706.80
  6. Step 6: Final answer
    x = 12,266,416.65

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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.