Home / 8,320,930.80-12,481,396.20-3,841,954.80

Finding the Fourth Proportional to 8,320,930.80, 12,481,396.20 and 3,841,954.80

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Solution

The fourth proportional to 8,320,930.80, 12,481,396.20 and 3,841,954.80 is: 5,762,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,930.80 : 12,481,396.20 = 3,841,954.80 : x
  2. Step 2: Convert to fraction form
    8,320,930.80/12,481,396.20 = 3,841,954.80/x
  3. Step 3: Cross multiply
    8,320,930.80x = 12,481,396.20 × 3,841,954.80
  4. Step 4: Simplify right side
    8,320,930.80x = 47,952,960,041,291.76
  5. Step 5: Solve for x
    x = 47,952,960,041,291.76/8,320,930.80
  6. Step 6: Final answer
    x = 5,762,932.20

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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.