Home / 20,579,816.80-30,871,168.62-6,203,003.68

Finding the Fourth Proportional to 20,579,816.80, 30,871,168.62 and 6,203,003.68

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Solution

The fourth proportional to 20,579,816.80, 30,871,168.62 and 6,203,003.68 is: 9,304,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579,816.80 : 30,871,168.62 = 6,203,003.68 : x
  2. Step 2: Convert to fraction form
    20,579,816.80/30,871,168.62 = 6,203,003.68/x
  3. Step 3: Cross multiply
    20,579,816.80x = 30,871,168.62 × 6,203,003.68
  4. Step 4: Simplify right side
    20,579,816.80x = 191,493,972,555,760.53
  5. Step 5: Solve for x
    x = 191,493,972,555,760.53/20,579,816.80
  6. Step 6: Final answer
    x = 9,304,940.58

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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.