Home / 8,098,049.92-11,115,823.20-7,159,724.40

Finding the Fourth Proportional to 8,098,049.92, 11,115,823.20 and 7,159,724.40

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Solution

The fourth proportional to 8,098,049.92, 11,115,823.20 and 7,159,724.40 is: 9,827,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,098,049.92 : 11,115,823.20 = 7,159,724.40 : x
  2. Step 2: Convert to fraction form
    8,098,049.92/11,115,823.20 = 7,159,724.40/x
  3. Step 3: Cross multiply
    8,098,049.92x = 11,115,823.20 × 7,159,724.40
  4. Step 4: Simplify right side
    8,098,049.92x = 79,586,230,591,126.08
  5. Step 5: Solve for x
    x = 79,586,230,591,126.08/8,098,049.92
  6. Step 6: Final answer
    x = 9,827,826.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.