Home / 21,922,127.20-32,883,190.80-21,040,328.80

Finding the Fourth Proportional to 21,922,127.20, 32,883,190.80 and 21,040,328.80

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Solution

The fourth proportional to 21,922,127.20, 32,883,190.80 and 21,040,328.80 is: 31,560,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922,127.20 : 32,883,190.80 = 21,040,328.80 : x
  2. Step 2: Convert to fraction form
    21,922,127.20/32,883,190.80 = 21,040,328.80/x
  3. Step 3: Cross multiply
    21,922,127.20x = 32,883,190.80 × 21,040,328.80
  4. Step 4: Simplify right side
    21,922,127.20x = 691,873,146,425,135.12
  5. Step 5: Solve for x
    x = 691,873,146,425,135.12/21,922,127.20
  6. Step 6: Final answer
    x = 31,560,493.20

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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.