Home / 39,245,175.80-54,158,342.88-21,845,631.44

Finding the Fourth Proportional to 39,245,175.80, 54,158,342.88 and 21,845,631.44

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Solution

The fourth proportional to 39,245,175.80, 54,158,342.88 and 21,845,631.44 is: 30,146,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245,175.80 : 54,158,342.88 = 21,845,631.44 : x
  2. Step 2: Convert to fraction form
    39,245,175.80/54,158,342.88 = 21,845,631.44/x
  3. Step 3: Cross multiply
    39,245,175.80x = 54,158,342.88 × 21,845,631.44
  4. Step 4: Simplify right side
    39,245,175.80x = 1,183,123,197,957,628.25
  5. Step 5: Solve for x
    x = 1,183,123,197,957,628.25/39,245,175.80
  6. Step 6: Final answer
    x = 30,146,971.54

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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.