Home / 19,777,336.72-29,661,351-11,145,201.04

Finding the Fourth Proportional to 19,777,336.72, 29,661,351 and 11,145,201.04

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Solution

The fourth proportional to 19,777,336.72, 29,661,351 and 11,145,201.04 is: 16,715,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777,336.72 : 29,661,351 = 11,145,201.04 : x
  2. Step 2: Convert to fraction form
    19,777,336.72/29,661,351 = 11,145,201.04/x
  3. Step 3: Cross multiply
    19,777,336.72x = 29,661,351 × 11,145,201.04
  4. Step 4: Simplify right side
    19,777,336.72x = 330,581,720,013,005
  5. Step 5: Solve for x
    x = 330,581,720,013,005/19,777,336.72
  6. Step 6: Final answer
    x = 16,715,178.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.