Home / 17,128,079.22-25,694,998.71-8,492,605.86

Finding the Fourth Proportional to 17,128,079.22, 25,694,998.71 and 8,492,605.86

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Solution

The fourth proportional to 17,128,079.22, 25,694,998.71 and 8,492,605.86 is: 12,740,336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128,079.22 : 25,694,998.71 = 8,492,605.86 : x
  2. Step 2: Convert to fraction form
    17,128,079.22/25,694,998.71 = 8,492,605.86/x
  3. Step 3: Cross multiply
    17,128,079.22x = 25,694,998.71 × 8,492,605.86
  4. Step 4: Simplify right side
    17,128,079.22x = 218,217,496,617,238.44
  5. Step 5: Solve for x
    x = 218,217,496,617,238.44/17,128,079.22
  6. Step 6: Final answer
    x = 12,740,336.72

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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.