Home / 39,838,279.36-54,979,640.96-22,198,352.89

Finding the Fourth Proportional to 39,838,279.36, 54,979,640.96 and 22,198,352.89

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Solution

The fourth proportional to 39,838,279.36, 54,979,640.96 and 22,198,352.89 is: 30,635,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,838,279.36 : 54,979,640.96 = 22,198,352.89 : x
  2. Step 2: Convert to fraction form
    39,838,279.36/54,979,640.96 = 22,198,352.89/x
  3. Step 3: Cross multiply
    39,838,279.36x = 54,979,640.96 × 22,198,352.89
  4. Step 4: Simplify right side
    39,838,279.36x = 1,220,457,471,795,578.50
  5. Step 5: Solve for x
    x = 1,220,457,471,795,578.50/39,838,279.36
  6. Step 6: Final answer
    x = 30,635,295.79

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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.