Home / 8,065,605.20-12,112,404.60-4,286,469.20

Finding the Fourth Proportional to 8,065,605.20, 12,112,404.60 and 4,286,469.20

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Solution

The fourth proportional to 8,065,605.20, 12,112,404.60 and 4,286,469.20 is: 6,437,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,605.20 : 12,112,404.60 = 4,286,469.20 : x
  2. Step 2: Convert to fraction form
    8,065,605.20/12,112,404.60 = 4,286,469.20/x
  3. Step 3: Cross multiply
    8,065,605.20x = 12,112,404.60 × 4,286,469.20
  4. Step 4: Simplify right side
    8,065,605.20x = 51,919,449,255,838.32
  5. Step 5: Solve for x
    x = 51,919,449,255,838.32/8,065,605.20
  6. Step 6: Final answer
    x = 6,437,142.41

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1.5x scale

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.