Home / 22,206,907.70-30,643,173.33-12,282,213.28

Finding the Fourth Proportional to 22,206,907.70, 30,643,173.33 and 12,282,213.28

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Solution

The fourth proportional to 22,206,907.70, 30,643,173.33 and 12,282,213.28 is: 16,948,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206,907.70 : 30,643,173.33 = 12,282,213.28 : x
  2. Step 2: Convert to fraction form
    22,206,907.70/30,643,173.33 = 12,282,213.28/x
  3. Step 3: Cross multiply
    22,206,907.70x = 30,643,173.33 × 12,282,213.28
  4. Step 4: Simplify right side
    22,206,907.70x = 376,365,990,418,945
  5. Step 5: Solve for x
    x = 376,365,990,418,945/22,206,907.70
  6. Step 6: Final answer
    x = 16,948,149.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.