Home / 12,383,429.40-18,568,923.30-5,644,229.40

Finding the Fourth Proportional to 12,383,429.40, 18,568,923.30 and 5,644,229.40

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Solution

The fourth proportional to 12,383,429.40, 18,568,923.30 and 5,644,229.40 is: 8,463,508.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383,429.40 : 18,568,923.30 = 5,644,229.40 : x
  2. Step 2: Convert to fraction form
    12,383,429.40/18,568,923.30 = 5,644,229.40/x
  3. Step 3: Cross multiply
    12,383,429.40x = 18,568,923.30 × 5,644,229.40
  4. Step 4: Simplify right side
    12,383,429.40x = 104,807,262,816,205.03
  5. Step 5: Solve for x
    x = 104,807,262,816,205.03/12,383,429.40
  6. Step 6: Final answer
    x = 8,463,508.73

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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.