Home / 8,271,767.20-12,408,039.60-2,592,176.80

Finding the Fourth Proportional to 8,271,767.20, 12,408,039.60 and 2,592,176.80

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Solution

The fourth proportional to 8,271,767.20, 12,408,039.60 and 2,592,176.80 is: 3,888,387.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,767.20 : 12,408,039.60 = 2,592,176.80 : x
  2. Step 2: Convert to fraction form
    8,271,767.20/12,408,039.60 = 2,592,176.80/x
  3. Step 3: Cross multiply
    8,271,767.20x = 12,408,039.60 × 2,592,176.80
  4. Step 4: Simplify right side
    8,271,767.20x = 32,163,832,384,601.28
  5. Step 5: Solve for x
    x = 32,163,832,384,601.28/8,271,767.20
  6. Step 6: Final answer
    x = 3,888,387.04

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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.