Home / 31,853,868.49-43,957,072.38-18,805,330.72

Finding the Fourth Proportional to 31,853,868.49, 43,957,072.38 and 18,805,330.72

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Solution

The fourth proportional to 31,853,868.49, 43,957,072.38 and 18,805,330.72 is: 25,950,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853,868.49 : 43,957,072.38 = 18,805,330.72 : x
  2. Step 2: Convert to fraction form
    31,853,868.49/43,957,072.38 = 18,805,330.72/x
  3. Step 3: Cross multiply
    31,853,868.49x = 43,957,072.38 × 18,805,330.72
  4. Step 4: Simplify right side
    31,853,868.49x = 826,627,283,588,877.50
  5. Step 5: Solve for x
    x = 826,627,283,588,877.50/31,853,868.49
  6. Step 6: Final answer
    x = 25,950,608.91

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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.