Home / 21,996,321.30-30,351,824.82-13,173,704.96

Finding the Fourth Proportional to 21,996,321.30, 30,351,824.82 and 13,173,704.96

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Solution

The fourth proportional to 21,996,321.30, 30,351,824.82 and 13,173,704.96 is: 18,177,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996,321.30 : 30,351,824.82 = 13,173,704.96 : x
  2. Step 2: Convert to fraction form
    21,996,321.30/30,351,824.82 = 13,173,704.96/x
  3. Step 3: Cross multiply
    21,996,321.30x = 30,351,824.82 × 13,173,704.96
  4. Step 4: Simplify right side
    21,996,321.30x = 399,845,985,176,285.12
  5. Step 5: Solve for x
    x = 399,845,985,176,285.12/21,996,321.30
  6. Step 6: Final answer
    x = 18,177,857.09

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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.