Home / 7,244,891.10-9,998,189.40-3,981,821.49

Finding the Fourth Proportional to 7,244,891.10, 9,998,189.40 and 3,981,821.49

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Solution

The fourth proportional to 7,244,891.10, 9,998,189.40 and 3,981,821.49 is: 5,495,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,891.10 : 9,998,189.40 = 3,981,821.49 : x
  2. Step 2: Convert to fraction form
    7,244,891.10/9,998,189.40 = 3,981,821.49/x
  3. Step 3: Cross multiply
    7,244,891.10x = 9,998,189.40 × 3,981,821.49
  4. Step 4: Simplify right side
    7,244,891.10x = 39,811,005,414,010.21
  5. Step 5: Solve for x
    x = 39,811,005,414,010.21/7,244,891.10
  6. Step 6: Final answer
    x = 5,495,045.39

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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.