Home / 13,940,371.82-20,902,438.49-5,410,743.77

Finding the Fourth Proportional to 13,940,371.82, 20,902,438.49 and 5,410,743.77

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Solution

The fourth proportional to 13,940,371.82, 20,902,438.49 and 5,410,743.77 is: 8,112,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940,371.82 : 20,902,438.49 = 5,410,743.77 : x
  2. Step 2: Convert to fraction form
    13,940,371.82/20,902,438.49 = 5,410,743.77/x
  3. Step 3: Cross multiply
    13,940,371.82x = 20,902,438.49 × 5,410,743.77
  4. Step 4: Simplify right side
    13,940,371.82x = 113,097,738,706,009.78
  5. Step 5: Solve for x
    x = 113,097,738,706,009.78/13,940,371.82
  6. Step 6: Final answer
    x = 8,112,964.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.