Home / 13,826,488.30-20,740,728.90-5,306,824.77

Finding the Fourth Proportional to 13,826,488.30, 20,740,728.90 and 5,306,824.77

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Solution

The fourth proportional to 13,826,488.30, 20,740,728.90 and 5,306,824.77 is: 7,960,619.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826,488.30 : 20,740,728.90 = 5,306,824.77 : x
  2. Step 2: Convert to fraction form
    13,826,488.30/20,740,728.90 = 5,306,824.77/x
  3. Step 3: Cross multiply
    13,826,488.30x = 20,740,728.90 × 5,306,824.77
  4. Step 4: Simplify right side
    13,826,488.30x = 110,067,413,874,374.83
  5. Step 5: Solve for x
    x = 110,067,413,874,374.83/13,826,488.30
  6. Step 6: Final answer
    x = 7,960,619.61

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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.