Home / 21,740,914.30-30,002,559.42-11,951,989.78

Finding the Fourth Proportional to 21,740,914.30, 30,002,559.42 and 11,951,989.78

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Solution

The fourth proportional to 21,740,914.30, 30,002,559.42 and 11,951,989.78 is: 16,493,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740,914.30 : 30,002,559.42 = 11,951,989.78 : x
  2. Step 2: Convert to fraction form
    21,740,914.30/30,002,559.42 = 11,951,989.78/x
  3. Step 3: Cross multiply
    21,740,914.30x = 30,002,559.42 × 11,951,989.78
  4. Step 4: Simplify right side
    21,740,914.30x = 358,590,283,561,682.75
  5. Step 5: Solve for x
    x = 358,590,283,561,682.75/21,740,914.30
  6. Step 6: Final answer
    x = 16,493,799.60

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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.