Home / 21,503,981.85-29,675,481.87-11,846,189.85

Finding the Fourth Proportional to 21,503,981.85, 29,675,481.87 and 11,846,189.85

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Solution

The fourth proportional to 21,503,981.85, 29,675,481.87 and 11,846,189.85 is: 16,347,734.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,503,981.85 : 29,675,481.87 = 11,846,189.85 : x
  2. Step 2: Convert to fraction form
    21,503,981.85/29,675,481.87 = 11,846,189.85/x
  3. Step 3: Cross multiply
    21,503,981.85x = 29,675,481.87 × 11,846,189.85
  4. Step 4: Simplify right side
    21,503,981.85x = 351,541,392,122,253
  5. Step 5: Solve for x
    x = 351,541,392,122,253/21,503,981.85
  6. Step 6: Final answer
    x = 16,347,734.79

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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.