Home / 7,244,891.09-9,998,189.39-3,981,821.48

Finding the Fourth Proportional to 7,244,891.09, 9,998,189.39 and 3,981,821.48

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Solution

The fourth proportional to 7,244,891.09, 9,998,189.39 and 3,981,821.48 is: 5,495,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244,891.09 : 9,998,189.39 = 3,981,821.48 : x
  2. Step 2: Convert to fraction form
    7,244,891.09/9,998,189.39 = 3,981,821.48/x
  3. Step 3: Cross multiply
    7,244,891.09x = 9,998,189.39 × 3,981,821.48
  4. Step 4: Simplify right side
    7,244,891.09x = 39,811,005,274,210.10
  5. Step 5: Solve for x
    x = 39,811,005,274,210.10/7,244,891.09
  6. Step 6: Final answer
    x = 5,495,045.37

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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.