Home / 23,661,662.40-35,467,999.20-12,856,132.80

Finding the Fourth Proportional to 23,661,662.40, 35,467,999.20 and 12,856,132.80

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Solution

The fourth proportional to 23,661,662.40, 35,467,999.20 and 12,856,132.80 is: 19,270,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,661,662.40 : 35,467,999.20 = 12,856,132.80 : x
  2. Step 2: Convert to fraction form
    23,661,662.40/35,467,999.20 = 12,856,132.80/x
  3. Step 3: Cross multiply
    23,661,662.40x = 35,467,999.20 × 12,856,132.80
  4. Step 4: Simplify right side
    23,661,662.40x = 455,981,307,865,493.81
  5. Step 5: Solve for x
    x = 455,981,307,865,493.81/23,661,662.40
  6. Step 6: Final answer
    x = 19,270,890.61

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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.