Home / 10,361,621.85-15,542,432.78-8,682,005.85

Finding the Fourth Proportional to 10,361,621.85, 15,542,432.78 and 8,682,005.85

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Solution

The fourth proportional to 10,361,621.85, 15,542,432.78 and 8,682,005.85 is: 13,023,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,621.85 : 15,542,432.78 = 8,682,005.85 : x
  2. Step 2: Convert to fraction form
    10,361,621.85/15,542,432.78 = 8,682,005.85/x
  3. Step 3: Cross multiply
    10,361,621.85x = 15,542,432.78 × 8,682,005.85
  4. Step 4: Simplify right side
    10,361,621.85x = 134,939,492,319,191.75
  5. Step 5: Solve for x
    x = 134,939,492,319,191.75/10,361,621.85
  6. Step 6: Final answer
    x = 13,023,008.78

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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.