Home / 8,505,422.28-12,758,179.34-2,115,674.64

Finding the Fourth Proportional to 8,505,422.28, 12,758,179.34 and 2,115,674.64

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Solution

The fourth proportional to 8,505,422.28, 12,758,179.34 and 2,115,674.64 is: 3,173,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505,422.28 : 12,758,179.34 = 2,115,674.64 : x
  2. Step 2: Convert to fraction form
    8,505,422.28/12,758,179.34 = 2,115,674.64/x
  3. Step 3: Cross multiply
    8,505,422.28x = 12,758,179.34 × 2,115,674.64
  4. Step 4: Simplify right side
    8,505,422.28x = 26,992,156,482,209.94
  5. Step 5: Solve for x
    x = 26,992,156,482,209.94/8,505,422.28
  6. Step 6: Final answer
    x = 3,173,523.38

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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.