Home / 11,139,102.38-16,693,239.88-8,040,386.43

Finding the Fourth Proportional to 11,139,102.38, 16,693,239.88 and 8,040,386.43

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Solution

The fourth proportional to 11,139,102.38, 16,693,239.88 and 8,040,386.43 is: 12,049,453.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139,102.38 : 16,693,239.88 = 8,040,386.43 : x
  2. Step 2: Convert to fraction form
    11,139,102.38/16,693,239.88 = 8,040,386.43/x
  3. Step 3: Cross multiply
    11,139,102.38x = 16,693,239.88 × 8,040,386.43
  4. Step 4: Simplify right side
    11,139,102.38x = 134,220,099,413,937.30
  5. Step 5: Solve for x
    x = 134,220,099,413,937.30/11,139,102.38
  6. Step 6: Final answer
    x = 12,049,453.79

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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.