Home / 31,853,869.49-43,957,073.76-18,805,331.72

Finding the Fourth Proportional to 31,853,869.49, 43,957,073.76 and 18,805,331.72

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Solution

The fourth proportional to 31,853,869.49, 43,957,073.76 and 18,805,331.72 is: 25,950,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853,869.49 : 43,957,073.76 = 18,805,331.72 : x
  2. Step 2: Convert to fraction form
    31,853,869.49/43,957,073.76 = 18,805,331.72/x
  3. Step 3: Cross multiply
    31,853,869.49x = 43,957,073.76 × 18,805,331.72
  4. Step 4: Simplify right side
    31,853,869.49x = 826,627,353,497,307.62
  5. Step 5: Solve for x
    x = 826,627,353,497,307.62/31,853,869.49
  6. Step 6: Final answer
    x = 25,950,610.29

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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.