Home / 7,822,640.10-11,705,966.55-7,150,793.70

Finding the Fourth Proportional to 7,822,640.10, 11,705,966.55 and 7,150,793.70

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Solution

The fourth proportional to 7,822,640.10, 11,705,966.55 and 7,150,793.70 is: 10,700,601.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822,640.10 : 11,705,966.55 = 7,150,793.70 : x
  2. Step 2: Convert to fraction form
    7,822,640.10/11,705,966.55 = 7,150,793.70/x
  3. Step 3: Cross multiply
    7,822,640.10x = 11,705,966.55 × 7,150,793.70
  4. Step 4: Simplify right side
    7,822,640.10x = 83,706,951,858,150.75
  5. Step 5: Solve for x
    x = 83,706,951,858,150.75/7,822,640.10
  6. Step 6: Final answer
    x = 10,700,601.18

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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.