Home / 9,169,785.76-12,654,435.08-5,040,198.51

Finding the Fourth Proportional to 9,169,785.76, 12,654,435.08 and 5,040,198.51

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Solution

The fourth proportional to 9,169,785.76, 12,654,435.08 and 5,040,198.51 is: 6,955,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169,785.76 : 12,654,435.08 = 5,040,198.51 : x
  2. Step 2: Convert to fraction form
    9,169,785.76/12,654,435.08 = 5,040,198.51/x
  3. Step 3: Cross multiply
    9,169,785.76x = 12,654,435.08 × 5,040,198.51
  4. Step 4: Simplify right side
    9,169,785.76x = 63,780,864,835,107.73
  5. Step 5: Solve for x
    x = 63,780,864,835,107.73/9,169,785.76
  6. Step 6: Final answer
    x = 6,955,545.80

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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.