Home / 20,834,103.57-28,745,868.92-12,016,251.83

Finding the Fourth Proportional to 20,834,103.57, 28,745,868.92 and 12,016,251.83

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Solution

The fourth proportional to 20,834,103.57, 28,745,868.92 and 12,016,251.83 is: 16,579,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834,103.57 : 28,745,868.92 = 12,016,251.83 : x
  2. Step 2: Convert to fraction form
    20,834,103.57/28,745,868.92 = 12,016,251.83/x
  3. Step 3: Cross multiply
    20,834,103.57x = 28,745,868.92 × 12,016,251.83
  4. Step 4: Simplify right side
    20,834,103.57x = 345,417,600,071,734.44
  5. Step 5: Solve for x
    x = 345,417,600,071,734.44/20,834,103.57
  6. Step 6: Final answer
    x = 16,579,431.84

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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.