Home / 21,902,078.92-30,215,735.82-12,607,425.04

Finding the Fourth Proportional to 21,902,078.92, 30,215,735.82 and 12,607,425.04

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Solution

The fourth proportional to 21,902,078.92, 30,215,735.82 and 12,607,425.04 is: 17,392,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,902,078.92 : 30,215,735.82 = 12,607,425.04 : x
  2. Step 2: Convert to fraction form
    21,902,078.92/30,215,735.82 = 12,607,425.04/x
  3. Step 3: Cross multiply
    21,902,078.92x = 30,215,735.82 × 12,607,425.04
  4. Step 4: Simplify right side
    21,902,078.92x = 380,942,624,379,092.94
  5. Step 5: Solve for x
    x = 380,942,624,379,092.94/21,902,078.92
  6. Step 6: Final answer
    x = 17,392,989.30

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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.