Home / 7,661,620.20-11,486,598.30-3,877,818.60

Finding the Fourth Proportional to 7,661,620.20, 11,486,598.30 and 3,877,818.60

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Solution

The fourth proportional to 7,661,620.20, 11,486,598.30 and 3,877,818.60 is: 5,813,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,620.20 : 11,486,598.30 = 3,877,818.60 : x
  2. Step 2: Convert to fraction form
    7,661,620.20/11,486,598.30 = 3,877,818.60/x
  3. Step 3: Cross multiply
    7,661,620.20x = 11,486,598.30 × 3,877,818.60
  4. Step 4: Simplify right side
    7,661,620.20x = 44,542,944,538,468.38
  5. Step 5: Solve for x
    x = 44,542,944,538,468.38/7,661,620.20
  6. Step 6: Final answer
    x = 5,813,776.12

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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.