Home / 7,244,857.80-10,867,286.70-7,138,569.60

Finding the Fourth Proportional to 7,244,857.80, 10,867,286.70 and 7,138,569.60

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Solution

The fourth proportional to 7,244,857.80, 10,867,286.70 and 7,138,569.60 is: 10,707,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,857.80 : 10,867,286.70 = 7,138,569.60 : x
  2. Step 2: Convert to fraction form
    7,244,857.80/10,867,286.70 = 7,138,569.60/x
  3. Step 3: Cross multiply
    7,244,857.80x = 10,867,286.70 × 7,138,569.60
  4. Step 4: Simplify right side
    7,244,857.80x = 77,576,882,471,104.31
  5. Step 5: Solve for x
    x = 77,576,882,471,104.31/7,244,857.80
  6. Step 6: Final answer
    x = 10,707,854.40

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Double scale
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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.