Home / 20,251,288.40-27,937,872.19-11,874,382.36

Finding the Fourth Proportional to 20,251,288.40, 27,937,872.19 and 11,874,382.36

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Solution

The fourth proportional to 20,251,288.40, 27,937,872.19 and 11,874,382.36 is: 16,381,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,288.40 : 27,937,872.19 = 11,874,382.36 : x
  2. Step 2: Convert to fraction form
    20,251,288.40/27,937,872.19 = 11,874,382.36/x
  3. Step 3: Cross multiply
    20,251,288.40x = 27,937,872.19 × 11,874,382.36
  4. Step 4: Simplify right side
    20,251,288.40x = 331,744,976,708,870.56
  5. Step 5: Solve for x
    x = 331,744,976,708,870.56/20,251,288.40
  6. Step 6: Final answer
    x = 16,381,425.72

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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.