Home / 8,320,984.20-12,482,642.70-3,271,120.20

Finding the Fourth Proportional to 8,320,984.20, 12,482,642.70 and 3,271,120.20

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Solution

The fourth proportional to 8,320,984.20, 12,482,642.70 and 3,271,120.20 is: 4,907,138.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,984.20 : 12,482,642.70 = 3,271,120.20 : x
  2. Step 2: Convert to fraction form
    8,320,984.20/12,482,642.70 = 3,271,120.20/x
  3. Step 3: Cross multiply
    8,320,984.20x = 12,482,642.70 × 3,271,120.20
  4. Step 4: Simplify right side
    8,320,984.20x = 40,832,224,685,352.54
  5. Step 5: Solve for x
    x = 40,832,224,685,352.54/8,320,984.20
  6. Step 6: Final answer
    x = 4,907,138.83

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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.