Home / 20,251,286.40-27,937,869.44-11,874,380.36

Finding the Fourth Proportional to 20,251,286.40, 27,937,869.44 and 11,874,380.36

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Solution

The fourth proportional to 20,251,286.40, 27,937,869.44 and 11,874,380.36 is: 16,381,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,286.40 : 27,937,869.44 = 11,874,380.36 : x
  2. Step 2: Convert to fraction form
    20,251,286.40/27,937,869.44 = 11,874,380.36/x
  3. Step 3: Cross multiply
    20,251,286.40x = 27,937,869.44 × 11,874,380.36
  4. Step 4: Simplify right side
    20,251,286.40x = 331,744,888,119,208.25
  5. Step 5: Solve for x
    x = 331,744,888,119,208.25/20,251,286.40
  6. Step 6: Final answer
    x = 16,381,422.96

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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.