Home / 31,384,945.80-47,077,418.70-27,479,838.60

Finding the Fourth Proportional to 31,384,945.80, 47,077,418.70 and 27,479,838.60

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Solution

The fourth proportional to 31,384,945.80, 47,077,418.70 and 27,479,838.60 is: 41,219,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384,945.80 : 47,077,418.70 = 27,479,838.60 : x
  2. Step 2: Convert to fraction form
    31,384,945.80/47,077,418.70 = 27,479,838.60/x
  3. Step 3: Cross multiply
    31,384,945.80x = 47,077,418.70 × 27,479,838.60
  4. Step 4: Simplify right side
    31,384,945.80x = 1,293,679,867,580,622
  5. Step 5: Solve for x
    x = 1,293,679,867,580,622/31,384,945.80
  6. Step 6: Final answer
    x = 41,219,757.90

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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.