Home / 9,180,198.60-13,770,297.90-8,117,316.60

Finding the Fourth Proportional to 9,180,198.60, 13,770,297.90 and 8,117,316.60

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Solution

The fourth proportional to 9,180,198.60, 13,770,297.90 and 8,117,316.60 is: 12,175,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180,198.60 : 13,770,297.90 = 8,117,316.60 : x
  2. Step 2: Convert to fraction form
    9,180,198.60/13,770,297.90 = 8,117,316.60/x
  3. Step 3: Cross multiply
    9,180,198.60x = 13,770,297.90 × 8,117,316.60
  4. Step 4: Simplify right side
    9,180,198.60x = 111,777,867,730,615.14
  5. Step 5: Solve for x
    x = 111,777,867,730,615.14/9,180,198.60
  6. Step 6: Final answer
    x = 12,175,974.90

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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.