Home / 21,800,375.76-30,084,502.01-12,010,819.94

Finding the Fourth Proportional to 21,800,375.76, 30,084,502.01 and 12,010,819.94

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Solution

The fourth proportional to 21,800,375.76, 30,084,502.01 and 12,010,819.94 is: 16,574,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800,375.76 : 30,084,502.01 = 12,010,819.94 : x
  2. Step 2: Convert to fraction form
    21,800,375.76/30,084,502.01 = 12,010,819.94/x
  3. Step 3: Cross multiply
    21,800,375.76x = 30,084,502.01 × 12,010,819.94
  4. Step 4: Simplify right side
    21,800,375.76x = 361,339,536,718,660.75
  5. Step 5: Solve for x
    x = 361,339,536,718,660.75/21,800,375.76
  6. Step 6: Final answer
    x = 16,574,922.41

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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.