Home / 9,246,348.72-12,760,529.40-5,172,243.12

Finding the Fourth Proportional to 9,246,348.72, 12,760,529.40 and 5,172,243.12

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Solution

The fourth proportional to 9,246,348.72, 12,760,529.40 and 5,172,243.12 is: 7,138,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,246,348.72 : 12,760,529.40 = 5,172,243.12 : x
  2. Step 2: Convert to fraction form
    9,246,348.72/12,760,529.40 = 5,172,243.12/x
  3. Step 3: Cross multiply
    9,246,348.72x = 12,760,529.40 × 5,172,243.12
  4. Step 4: Simplify right side
    9,246,348.72x = 66,000,560,396,707.73
  5. Step 5: Solve for x
    x = 66,000,560,396,707.73/9,246,348.72
  6. Step 6: Final answer
    x = 7,138,013.33

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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.