Home / 13,599,195.20-20,398,792.80-7,552,577.60

Finding the Fourth Proportional to 13,599,195.20, 20,398,792.80 and 7,552,577.60

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Solution

The fourth proportional to 13,599,195.20, 20,398,792.80 and 7,552,577.60 is: 11,328,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599,195.20 : 20,398,792.80 = 7,552,577.60 : x
  2. Step 2: Convert to fraction form
    13,599,195.20/20,398,792.80 = 7,552,577.60/x
  3. Step 3: Cross multiply
    13,599,195.20x = 20,398,792.80 × 7,552,577.60
  4. Step 4: Simplify right side
    13,599,195.20x = 154,063,465,568,321.28
  5. Step 5: Solve for x
    x = 154,063,465,568,321.28/13,599,195.20
  6. Step 6: Final answer
    x = 11,328,866.40

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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.