Home / 22,012,994.20-33,019,491.30-21,131,195.80

Finding the Fourth Proportional to 22,012,994.20, 33,019,491.30 and 21,131,195.80

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Solution

The fourth proportional to 22,012,994.20, 33,019,491.30 and 21,131,195.80 is: 31,696,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012,994.20 : 33,019,491.30 = 21,131,195.80 : x
  2. Step 2: Convert to fraction form
    22,012,994.20/33,019,491.30 = 21,131,195.80/x
  3. Step 3: Cross multiply
    22,012,994.20x = 33,019,491.30 × 21,131,195.80
  4. Step 4: Simplify right side
    22,012,994.20x = 697,741,335,876,696.62
  5. Step 5: Solve for x
    x = 697,741,335,876,696.62/22,012,994.20
  6. Step 6: Final answer
    x = 31,696,793.70

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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.