Home / 21,227,493.44-29,294,731.68-12,061,689.92

Finding the Fourth Proportional to 21,227,493.44, 29,294,731.68 and 12,061,689.92

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Solution

The fourth proportional to 21,227,493.44, 29,294,731.68 and 12,061,689.92 is: 16,645,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,227,493.44 : 29,294,731.68 = 12,061,689.92 : x
  2. Step 2: Convert to fraction form
    21,227,493.44/29,294,731.68 = 12,061,689.92/x
  3. Step 3: Cross multiply
    21,227,493.44x = 29,294,731.68 × 12,061,689.92
  4. Step 4: Simplify right side
    21,227,493.44x = 353,343,969,813,760.69
  5. Step 5: Solve for x
    x = 353,343,969,813,760.69/21,227,493.44
  6. Step 6: Final answer
    x = 16,645,581.39

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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.