Home / 9,253,905.68-12,770,454.12-5,388,680.72

Finding the Fourth Proportional to 9,253,905.68, 12,770,454.12 and 5,388,680.72

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Solution

The fourth proportional to 9,253,905.68, 12,770,454.12 and 5,388,680.72 is: 7,436,416.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253,905.68 : 12,770,454.12 = 5,388,680.72 : x
  2. Step 2: Convert to fraction form
    9,253,905.68/12,770,454.12 = 5,388,680.72/x
  3. Step 3: Cross multiply
    9,253,905.68x = 12,770,454.12 × 5,388,680.72
  4. Step 4: Simplify right side
    9,253,905.68x = 68,815,899,902,088.56
  5. Step 5: Solve for x
    x = 68,815,899,902,088.56/9,253,905.68
  6. Step 6: Final answer
    x = 7,436,416.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.