Home / 21,969,965.40-32,954,948.10-21,074,170.20

Finding the Fourth Proportional to 21,969,965.40, 32,954,948.10 and 21,074,170.20

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Solution

The fourth proportional to 21,969,965.40, 32,954,948.10 and 21,074,170.20 is: 31,611,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969,965.40 : 32,954,948.10 = 21,074,170.20 : x
  2. Step 2: Convert to fraction form
    21,969,965.40/32,954,948.10 = 21,074,170.20/x
  3. Step 3: Cross multiply
    21,969,965.40x = 32,954,948.10 × 21,074,170.20
  4. Step 4: Simplify right side
    21,969,965.40x = 694,498,185,191,566.62
  5. Step 5: Solve for x
    x = 694,498,185,191,566.62/21,969,965.40
  6. Step 6: Final answer
    x = 31,611,255.30

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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.