Home / 8,271,612.20-12,407,807.10-2,592,021.80

Finding the Fourth Proportional to 8,271,612.20, 12,407,807.10 and 2,592,021.80

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Solution

The fourth proportional to 8,271,612.20, 12,407,807.10 and 2,592,021.80 is: 3,888,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,612.20 : 12,407,807.10 = 2,592,021.80 : x
  2. Step 2: Convert to fraction form
    8,271,612.20/12,407,807.10 = 2,592,021.80/x
  3. Step 3: Cross multiply
    8,271,612.20x = 12,407,807.10 × 2,592,021.80
  4. Step 4: Simplify right side
    8,271,612.20x = 32,161,306,493,394.78
  5. Step 5: Solve for x
    x = 32,161,306,493,394.78/8,271,612.20
  6. Step 6: Final answer
    x = 3,888,154.54

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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.