Home / 20,202,762.45-27,872,896.73-11,498,757.33

Finding the Fourth Proportional to 20,202,762.45, 27,872,896.73 and 11,498,757.33

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Solution

The fourth proportional to 20,202,762.45, 27,872,896.73 and 11,498,757.33 is: 15,864,349.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,202,762.45 : 27,872,896.73 = 11,498,757.33 : x
  2. Step 2: Convert to fraction form
    20,202,762.45/27,872,896.73 = 11,498,757.33/x
  3. Step 3: Cross multiply
    20,202,762.45x = 27,872,896.73 × 11,498,757.33
  4. Step 4: Simplify right side
    20,202,762.45x = 320,503,675,524,926.75
  5. Step 5: Solve for x
    x = 320,503,675,524,926.75/20,202,762.45
  6. Step 6: Final answer
    x = 15,864,349.06

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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.