Home / 7,215,046.80-10,822,570.20-6,564,195.60

Finding the Fourth Proportional to 7,215,046.80, 10,822,570.20 and 6,564,195.60

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Solution

The fourth proportional to 7,215,046.80, 10,822,570.20 and 6,564,195.60 is: 9,846,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,046.80 : 10,822,570.20 = 6,564,195.60 : x
  2. Step 2: Convert to fraction form
    7,215,046.80/10,822,570.20 = 6,564,195.60/x
  3. Step 3: Cross multiply
    7,215,046.80x = 10,822,570.20 × 6,564,195.60
  4. Step 4: Simplify right side
    7,215,046.80x = 71,041,467,687,531.11
  5. Step 5: Solve for x
    x = 71,041,467,687,531.11/7,215,046.80
  6. Step 6: Final answer
    x = 9,846,293.40

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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.