Home / 40,095,176.78-55,331,366.97-21,760,462.28

Finding the Fourth Proportional to 40,095,176.78, 55,331,366.97 and 21,760,462.28

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Solution

The fourth proportional to 40,095,176.78, 55,331,366.97 and 21,760,462.28 is: 30,029,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,095,176.78 : 55,331,366.97 = 21,760,462.28 : x
  2. Step 2: Convert to fraction form
    40,095,176.78/55,331,366.97 = 21,760,462.28/x
  3. Step 3: Cross multiply
    40,095,176.78x = 55,331,366.97 × 21,760,462.28
  4. Step 4: Simplify right side
    40,095,176.78x = 1,204,036,123,760,214.25
  5. Step 5: Solve for x
    x = 1,204,036,123,760,214.25/40,095,176.78
  6. Step 6: Final answer
    x = 30,029,450.44

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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.