Home / 12,687,416.71-17,508,652.31-6,886,198.73

Finding the Fourth Proportional to 12,687,416.71, 17,508,652.31 and 6,886,198.73

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Solution

The fourth proportional to 12,687,416.71, 17,508,652.31 and 6,886,198.73 is: 9,502,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,416.71 : 17,508,652.31 = 6,886,198.73 : x
  2. Step 2: Convert to fraction form
    12,687,416.71/17,508,652.31 = 6,886,198.73/x
  3. Step 3: Cross multiply
    12,687,416.71x = 17,508,652.31 × 6,886,198.73
  4. Step 4: Simplify right side
    12,687,416.71x = 120,568,059,362,120.69
  5. Step 5: Solve for x
    x = 120,568,059,362,120.69/12,687,416.71
  6. Step 6: Final answer
    x = 9,502,963.62

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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.