Home / 21,491,261.20-32,236,891.80-19,507,214.80

Finding the Fourth Proportional to 21,491,261.20, 32,236,891.80 and 19,507,214.80

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Solution

The fourth proportional to 21,491,261.20, 32,236,891.80 and 19,507,214.80 is: 29,260,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,261.20 : 32,236,891.80 = 19,507,214.80 : x
  2. Step 2: Convert to fraction form
    21,491,261.20/32,236,891.80 = 19,507,214.80/x
  3. Step 3: Cross multiply
    21,491,261.20x = 32,236,891.80 × 19,507,214.80
  4. Step 4: Simplify right side
    21,491,261.20x = 628,851,972,826,958.62
  5. Step 5: Solve for x
    x = 628,851,972,826,958.62/21,491,261.20
  6. Step 6: Final answer
    x = 29,260,822.20

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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.