Home / 6,809,105.80-10,213,658.70-5,591,384.20

Finding the Fourth Proportional to 6,809,105.80, 10,213,658.70 and 5,591,384.20

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Solution

The fourth proportional to 6,809,105.80, 10,213,658.70 and 5,591,384.20 is: 8,387,076.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809,105.80 : 10,213,658.70 = 5,591,384.20 : x
  2. Step 2: Convert to fraction form
    6,809,105.80/10,213,658.70 = 5,591,384.20/x
  3. Step 3: Cross multiply
    6,809,105.80x = 10,213,658.70 × 5,591,384.20
  4. Step 4: Simplify right side
    6,809,105.80x = 57,108,489,879,372.54
  5. Step 5: Solve for x
    x = 57,108,489,879,372.54/6,809,105.80
  6. Step 6: Final answer
    x = 8,387,076.30

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Double scale
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Similar ratio
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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.