Home / 13,826,513.38-20,740,766.52-5,306,849.85

Finding the Fourth Proportional to 13,826,513.38, 20,740,766.52 and 5,306,849.85

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Solution

The fourth proportional to 13,826,513.38, 20,740,766.52 and 5,306,849.85 is: 7,960,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826,513.38 : 20,740,766.52 = 5,306,849.85 : x
  2. Step 2: Convert to fraction form
    13,826,513.38/20,740,766.52 = 5,306,849.85/x
  3. Step 3: Cross multiply
    13,826,513.38x = 20,740,766.52 × 5,306,849.85
  4. Step 4: Simplify right side
    13,826,513.38x = 110,068,133,617,769.16
  5. Step 5: Solve for x
    x = 110,068,133,617,769.16/13,826,513.38
  6. Step 6: Final answer
    x = 7,960,657.23

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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.