Home / 40,449,133.70-55,819,806.44-21,864,212.94

Finding the Fourth Proportional to 40,449,133.70, 55,819,806.44 and 21,864,212.94

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Solution

The fourth proportional to 40,449,133.70, 55,819,806.44 and 21,864,212.94 is: 30,172,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449,133.70 : 55,819,806.44 = 21,864,212.94 : x
  2. Step 2: Convert to fraction form
    40,449,133.70/55,819,806.44 = 21,864,212.94/x
  3. Step 3: Cross multiply
    40,449,133.70x = 55,819,806.44 × 21,864,212.94
  4. Step 4: Simplify right side
    40,449,133.70x = 1,220,456,134,273,743.25
  5. Step 5: Solve for x
    x = 1,220,456,134,273,743.25/40,449,133.70
  6. Step 6: Final answer
    x = 30,172,614.90

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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.