Home / 13,826,487.30-20,740,727.40-5,306,823.77

Finding the Fourth Proportional to 13,826,487.30, 20,740,727.40 and 5,306,823.77

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Solution

The fourth proportional to 13,826,487.30, 20,740,727.40 and 5,306,823.77 is: 7,960,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826,487.30 : 20,740,727.40 = 5,306,823.77 : x
  2. Step 2: Convert to fraction form
    13,826,487.30/20,740,727.40 = 5,306,823.77/x
  3. Step 3: Cross multiply
    13,826,487.30x = 20,740,727.40 × 5,306,823.77
  4. Step 4: Simplify right side
    13,826,487.30x = 110,067,385,173,410.28
  5. Step 5: Solve for x
    x = 110,067,385,173,410.28/13,826,487.30
  6. Step 6: Final answer
    x = 7,960,618.11

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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.