Home / 22,221,448.20-33,403,031.10-20,945,989.80

Finding the Fourth Proportional to 22,221,448.20, 33,403,031.10 and 20,945,989.80

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Solution

The fourth proportional to 22,221,448.20, 33,403,031.10 and 20,945,989.80 is: 31,485,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,221,448.20 : 33,403,031.10 = 20,945,989.80 : x
  2. Step 2: Convert to fraction form
    22,221,448.20/33,403,031.10 = 20,945,989.80/x
  3. Step 3: Cross multiply
    22,221,448.20x = 33,403,031.10 × 20,945,989.80
  4. Step 4: Simplify right side
    22,221,448.20x = 699,659,548,709,682.88
  5. Step 5: Solve for x
    x = 699,659,548,709,682.88/22,221,448.20
  6. Step 6: Final answer
    x = 31,485,776.37

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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.