Home / 18,805,638.11-25,940,785.48-11,825,268.11

Finding the Fourth Proportional to 18,805,638.11, 25,940,785.48 and 11,825,268.11

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Solution

The fourth proportional to 18,805,638.11, 25,940,785.48 and 11,825,268.11 is: 16,311,956.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805,638.11 : 25,940,785.48 = 11,825,268.11 : x
  2. Step 2: Convert to fraction form
    18,805,638.11/25,940,785.48 = 11,825,268.11/x
  3. Step 3: Cross multiply
    18,805,638.11x = 25,940,785.48 × 11,825,268.11
  4. Step 4: Simplify right side
    18,805,638.11x = 306,756,743,125,727.94
  5. Step 5: Solve for x
    x = 306,756,743,125,727.94/18,805,638.11
  6. Step 6: Final answer
    x = 16,311,956.09

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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.