Home / 21,283,165.76-29,370,768.64-11,493,609.44

Finding the Fourth Proportional to 21,283,165.76, 29,370,768.64 and 11,493,609.44

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Solution

The fourth proportional to 21,283,165.76, 29,370,768.64 and 11,493,609.44 is: 15,861,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283,165.76 : 29,370,768.64 = 11,493,609.44 : x
  2. Step 2: Convert to fraction form
    21,283,165.76/29,370,768.64 = 11,493,609.44/x
  3. Step 3: Cross multiply
    21,283,165.76x = 29,370,768.64 × 11,493,609.44
  4. Step 4: Simplify right side
    21,283,165.76x = 337,576,143,700,759.94
  5. Step 5: Solve for x
    x = 337,576,143,700,759.94/21,283,165.76
  6. Step 6: Final answer
    x = 15,861,180.97

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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.