Home / 7,862,101.69-11,793,218.55-2,182,768.87

Finding the Fourth Proportional to 7,862,101.69, 11,793,218.55 and 2,182,768.87

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Solution

The fourth proportional to 7,862,101.69, 11,793,218.55 and 2,182,768.87 is: 3,274,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862,101.69 : 11,793,218.55 = 2,182,768.87 : x
  2. Step 2: Convert to fraction form
    7,862,101.69/11,793,218.55 = 2,182,768.87/x
  3. Step 3: Cross multiply
    7,862,101.69x = 11,793,218.55 × 2,182,768.87
  4. Step 4: Simplify right side
    7,862,101.69x = 25,741,870,328,046.54
  5. Step 5: Solve for x
    x = 25,741,870,328,046.54/7,862,101.69
  6. Step 6: Final answer
    x = 3,274,171.63

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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.