Home / 7,244,864.88-9,998,138.54-3,981,620.32

Finding the Fourth Proportional to 7,244,864.88, 9,998,138.54 and 3,981,620.32

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Solution

The fourth proportional to 7,244,864.88, 9,998,138.54 and 3,981,620.32 is: 5,494,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,864.88 : 9,998,138.54 = 3,981,620.32 : x
  2. Step 2: Convert to fraction form
    7,244,864.88/9,998,138.54 = 3,981,620.32/x
  3. Step 3: Cross multiply
    7,244,864.88x = 9,998,138.54 × 3,981,620.32
  4. Step 4: Simplify right side
    7,244,864.88x = 39,808,791,573,039.12
  5. Step 5: Solve for x
    x = 39,808,791,573,039.12/7,244,864.88
  6. Step 6: Final answer
    x = 5,494,759.70

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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.