Home / 10,019,005.17-15,016,550.33-5,471,198.82

Finding the Fourth Proportional to 10,019,005.17, 15,016,550.33 and 5,471,198.82

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Solution

The fourth proportional to 10,019,005.17, 15,016,550.33 and 5,471,198.82 is: 8,200,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019,005.17 : 15,016,550.33 = 5,471,198.82 : x
  2. Step 2: Convert to fraction form
    10,019,005.17/15,016,550.33 = 5,471,198.82/x
  3. Step 3: Cross multiply
    10,019,005.17x = 15,016,550.33 × 5,471,198.82
  4. Step 4: Simplify right side
    10,019,005.17x = 82,158,532,418,610.61
  5. Step 5: Solve for x
    x = 82,158,532,418,610.61/10,019,005.17
  6. Step 6: Final answer
    x = 8,200,268.49

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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.