Home / 31,219,382.95-43,077,609.20-19,608,676.49

Finding the Fourth Proportional to 31,219,382.95, 43,077,609.20 and 19,608,676.49

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Solution

The fourth proportional to 31,219,382.95, 43,077,609.20 and 19,608,676.49 is: 27,056,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219,382.95 : 43,077,609.20 = 19,608,676.49 : x
  2. Step 2: Convert to fraction form
    31,219,382.95/43,077,609.20 = 19,608,676.49/x
  3. Step 3: Cross multiply
    31,219,382.95x = 43,077,609.20 × 19,608,676.49
  4. Step 4: Simplify right side
    31,219,382.95x = 844,694,902,922,163.38
  5. Step 5: Solve for x
    x = 844,694,902,922,163.38/31,219,382.95
  6. Step 6: Final answer
    x = 27,056,745.62

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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.