Home / 7,786,683.41-11,682,520.20-5,452,153.65

Finding the Fourth Proportional to 7,786,683.41, 11,682,520.20 and 5,452,153.65

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Solution

The fourth proportional to 7,786,683.41, 11,682,520.20 and 5,452,153.65 is: 8,179,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786,683.41 : 11,682,520.20 = 5,452,153.65 : x
  2. Step 2: Convert to fraction form
    7,786,683.41/11,682,520.20 = 5,452,153.65/x
  3. Step 3: Cross multiply
    7,786,683.41x = 11,682,520.20 × 5,452,153.65
  4. Step 4: Simplify right side
    7,786,683.41x = 63,694,895,149,628.73
  5. Step 5: Solve for x
    x = 63,694,895,149,628.73/7,786,683.41
  6. Step 6: Final answer
    x = 8,179,977.51

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Double scale
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1.5x scale

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.