Home / 12,951,252.54-17,872,751.16-7,150,043.61

Finding the Fourth Proportional to 12,951,252.54, 17,872,751.16 and 7,150,043.61

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Solution

The fourth proportional to 12,951,252.54, 17,872,751.16 and 7,150,043.61 is: 9,867,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,252.54 : 17,872,751.16 = 7,150,043.61 : x
  2. Step 2: Convert to fraction form
    12,951,252.54/17,872,751.16 = 7,150,043.61/x
  3. Step 3: Cross multiply
    12,951,252.54x = 17,872,751.16 × 7,150,043.61
  4. Step 4: Simplify right side
    12,951,252.54x = 127,790,950,224,678.09
  5. Step 5: Solve for x
    x = 127,790,950,224,678.09/12,951,252.54
  6. Step 6: Final answer
    x = 9,867,072.69

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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.