Home / 12,061,013.70-18,091,520.55-11,257,947.30

Finding the Fourth Proportional to 12,061,013.70, 18,091,520.55 and 11,257,947.30

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Solution

The fourth proportional to 12,061,013.70, 18,091,520.55 and 11,257,947.30 is: 16,886,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,013.70 : 18,091,520.55 = 11,257,947.30 : x
  2. Step 2: Convert to fraction form
    12,061,013.70/18,091,520.55 = 11,257,947.30/x
  3. Step 3: Cross multiply
    12,061,013.70x = 18,091,520.55 × 11,257,947.30
  4. Step 4: Simplify right side
    12,061,013.70x = 203,673,384,928,767.03
  5. Step 5: Solve for x
    x = 203,673,384,928,767.03/12,061,013.70
  6. Step 6: Final answer
    x = 16,886,920.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.