Home / 9,168,540.80-13,752,811.20-8,176,517.60

Finding the Fourth Proportional to 9,168,540.80, 13,752,811.20 and 8,176,517.60

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Solution

The fourth proportional to 9,168,540.80, 13,752,811.20 and 8,176,517.60 is: 12,264,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,540.80 : 13,752,811.20 = 8,176,517.60 : x
  2. Step 2: Convert to fraction form
    9,168,540.80/13,752,811.20 = 8,176,517.60/x
  3. Step 3: Cross multiply
    9,168,540.80x = 13,752,811.20 × 8,176,517.60
  4. Step 4: Simplify right side
    9,168,540.80x = 112,450,102,826,277.11
  5. Step 5: Solve for x
    x = 112,450,102,826,277.11/9,168,540.80
  6. Step 6: Final answer
    x = 12,264,776.40

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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.