Home / 21,028,588.20-31,489,738.20-16,777,060.20

Finding the Fourth Proportional to 21,028,588.20, 31,489,738.20 and 16,777,060.20

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Solution

The fourth proportional to 21,028,588.20, 31,489,738.20 and 16,777,060.20 is: 25,123,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,028,588.20 : 31,489,738.20 = 16,777,060.20 : x
  2. Step 2: Convert to fraction form
    21,028,588.20/31,489,738.20 = 16,777,060.20/x
  3. Step 3: Cross multiply
    21,028,588.20x = 31,489,738.20 × 16,777,060.20
  4. Step 4: Simplify right side
    21,028,588.20x = 528,305,233,463,639.62
  5. Step 5: Solve for x
    x = 528,305,233,463,639.62/21,028,588.20
  6. Step 6: Final answer
    x = 25,123,190.79

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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.