Home / 20,777,251.05-28,675,454.58-11,956,521.15

Finding the Fourth Proportional to 20,777,251.05, 28,675,454.58 and 11,956,521.15

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Solution

The fourth proportional to 20,777,251.05, 28,675,454.58 and 11,956,521.15 is: 16,501,638.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,777,251.05 : 28,675,454.58 = 11,956,521.15 : x
  2. Step 2: Convert to fraction form
    20,777,251.05/28,675,454.58 = 11,956,521.15/x
  3. Step 3: Cross multiply
    20,777,251.05x = 28,675,454.58 × 11,956,521.15
  4. Step 4: Simplify right side
    20,777,251.05x = 342,858,679,171,634.38
  5. Step 5: Solve for x
    x = 342,858,679,171,634.38/20,777,251.05
  6. Step 6: Final answer
    x = 16,501,638.18

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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.