Home / 21,498,391.50-29,667,780.27-11,840,599.50

Finding the Fourth Proportional to 21,498,391.50, 29,667,780.27 and 11,840,599.50

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Solution

The fourth proportional to 21,498,391.50, 29,667,780.27 and 11,840,599.50 is: 16,340,027.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498,391.50 : 29,667,780.27 = 11,840,599.50 : x
  2. Step 2: Convert to fraction form
    21,498,391.50/29,667,780.27 = 11,840,599.50/x
  3. Step 3: Cross multiply
    21,498,391.50x = 29,667,780.27 × 11,840,599.50
  4. Step 4: Simplify right side
    21,498,391.50x = 351,284,304,231,071.88
  5. Step 5: Solve for x
    x = 351,284,304,231,071.88/21,498,391.50
  6. Step 6: Final answer
    x = 16,340,027.31

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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.