Home / 21,951,231.03-30,291,894.54-12,659,192.91

Finding the Fourth Proportional to 21,951,231.03, 30,291,894.54 and 12,659,192.91

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Solution

The fourth proportional to 21,951,231.03, 30,291,894.54 and 12,659,192.91 is: 17,469,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,951,231.03 : 30,291,894.54 = 12,659,192.91 : x
  2. Step 2: Convert to fraction form
    21,951,231.03/30,291,894.54 = 12,659,192.91/x
  3. Step 3: Cross multiply
    21,951,231.03x = 30,291,894.54 × 12,659,192.91
  4. Step 4: Simplify right side
    21,951,231.03x = 383,470,936,591,235.69
  5. Step 5: Solve for x
    x = 383,470,936,591,235.69/21,951,231.03
  6. Step 6: Final answer
    x = 17,469,222.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.