Home / 12,951,253.54-17,872,752.54-7,150,044.61

Finding the Fourth Proportional to 12,951,253.54, 17,872,752.54 and 7,150,044.61

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Solution

The fourth proportional to 12,951,253.54, 17,872,752.54 and 7,150,044.61 is: 9,867,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,253.54 : 17,872,752.54 = 7,150,044.61 : x
  2. Step 2: Convert to fraction form
    12,951,253.54/17,872,752.54 = 7,150,044.61/x
  3. Step 3: Cross multiply
    12,951,253.54x = 17,872,752.54 × 7,150,044.61
  4. Step 4: Simplify right side
    12,951,253.54x = 127,790,977,964,490.81
  5. Step 5: Solve for x
    x = 127,790,977,964,490.81/12,951,253.54
  6. Step 6: Final answer
    x = 9,867,074.07

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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.