Home / 21,993,872.20-32,962,814.70-19,586,422.60

Finding the Fourth Proportional to 21,993,872.20, 32,962,814.70 and 19,586,422.60

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Solution

The fourth proportional to 21,993,872.20, 32,962,814.70 and 19,586,422.60 is: 29,354,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993,872.20 : 32,962,814.70 = 19,586,422.60 : x
  2. Step 2: Convert to fraction form
    21,993,872.20/32,962,814.70 = 19,586,422.60/x
  3. Step 3: Cross multiply
    21,993,872.20x = 32,962,814.70 × 19,586,422.60
  4. Step 4: Simplify right side
    21,993,872.20x = 645,623,618,799,692.25
  5. Step 5: Solve for x
    x = 645,623,618,799,692.25/21,993,872.20
  6. Step 6: Final answer
    x = 29,354,704.48

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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.