Home / 9,040,518.80-13,560,778.20-5,450,339.60

Finding the Fourth Proportional to 9,040,518.80, 13,560,778.20 and 5,450,339.60

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Solution

The fourth proportional to 9,040,518.80, 13,560,778.20 and 5,450,339.60 is: 8,175,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040,518.80 : 13,560,778.20 = 5,450,339.60 : x
  2. Step 2: Convert to fraction form
    9,040,518.80/13,560,778.20 = 5,450,339.60/x
  3. Step 3: Cross multiply
    9,040,518.80x = 13,560,778.20 × 5,450,339.60
  4. Step 4: Simplify right side
    9,040,518.80x = 73,910,846,430,276.70
  5. Step 5: Solve for x
    x = 73,910,846,430,276.70/9,040,518.80
  6. Step 6: Final answer
    x = 8,175,509.40

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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.