Home / 20,503,894.78-30,755,872.09-8,373,358.37

Finding the Fourth Proportional to 20,503,894.78, 30,755,872.09 and 8,373,358.37

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Solution

The fourth proportional to 20,503,894.78, 30,755,872.09 and 8,373,358.37 is: 12,560,049.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,894.78 : 30,755,872.09 = 8,373,358.37 : x
  2. Step 2: Convert to fraction form
    20,503,894.78/30,755,872.09 = 8,373,358.37/x
  3. Step 3: Cross multiply
    20,503,894.78x = 30,755,872.09 × 8,373,358.37
  4. Step 4: Simplify right side
    20,503,894.78x = 257,529,938,991,450.91
  5. Step 5: Solve for x
    x = 257,529,938,991,450.91/20,503,894.78
  6. Step 6: Final answer
    x = 12,560,049.77

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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.