Home / 21,922,078.20-32,883,117.30-21,040,279.80

Finding the Fourth Proportional to 21,922,078.20, 32,883,117.30 and 21,040,279.80

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Solution

The fourth proportional to 21,922,078.20, 32,883,117.30 and 21,040,279.80 is: 31,560,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922,078.20 : 32,883,117.30 = 21,040,279.80 : x
  2. Step 2: Convert to fraction form
    21,922,078.20/32,883,117.30 = 21,040,279.80/x
  3. Step 3: Cross multiply
    21,922,078.20x = 32,883,117.30 × 21,040,279.80
  4. Step 4: Simplify right side
    21,922,078.20x = 691,869,988,688,220.62
  5. Step 5: Solve for x
    x = 691,869,988,688,220.62/21,922,078.20
  6. Step 6: Final answer
    x = 31,560,419.70

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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.