Home / 22,143,401.80-33,215,102.70-18,635,891.20

Finding the Fourth Proportional to 22,143,401.80, 33,215,102.70 and 18,635,891.20

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Solution

The fourth proportional to 22,143,401.80, 33,215,102.70 and 18,635,891.20 is: 27,953,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,401.80 : 33,215,102.70 = 18,635,891.20 : x
  2. Step 2: Convert to fraction form
    22,143,401.80/33,215,102.70 = 18,635,891.20/x
  3. Step 3: Cross multiply
    22,143,401.80x = 33,215,102.70 × 18,635,891.20
  4. Step 4: Simplify right side
    22,143,401.80x = 618,993,040,114,026.25
  5. Step 5: Solve for x
    x = 618,993,040,114,026.25/22,143,401.80
  6. Step 6: Final answer
    x = 27,953,836.80

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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.