Home / 21,969,974.90-32,954,962.35-21,074,179.70

Finding the Fourth Proportional to 21,969,974.90, 32,954,962.35 and 21,074,179.70

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Solution

The fourth proportional to 21,969,974.90, 32,954,962.35 and 21,074,179.70 is: 31,611,269.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969,974.90 : 32,954,962.35 = 21,074,179.70 : x
  2. Step 2: Convert to fraction form
    21,969,974.90/32,954,962.35 = 21,074,179.70/x
  3. Step 3: Cross multiply
    21,969,974.90x = 32,954,962.35 × 21,074,179.70
  4. Step 4: Simplify right side
    21,969,974.90x = 694,498,798,570,634.25
  5. Step 5: Solve for x
    x = 694,498,798,570,634.25/21,969,974.90
  6. Step 6: Final answer
    x = 31,611,269.55

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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.