Home / 8,065,195.40-12,097,793.10-7,449,336.20

Finding the Fourth Proportional to 8,065,195.40, 12,097,793.10 and 7,449,336.20

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Solution

The fourth proportional to 8,065,195.40, 12,097,793.10 and 7,449,336.20 is: 11,174,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,195.40 : 12,097,793.10 = 7,449,336.20 : x
  2. Step 2: Convert to fraction form
    8,065,195.40/12,097,793.10 = 7,449,336.20/x
  3. Step 3: Cross multiply
    8,065,195.40x = 12,097,793.10 × 7,449,336.20
  4. Step 4: Simplify right side
    8,065,195.40x = 90,120,528,079,940.22
  5. Step 5: Solve for x
    x = 90,120,528,079,940.22/8,065,195.40
  6. Step 6: Final answer
    x = 11,174,004.30

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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.