Home / 22,128,198.30-33,192,297.45-12,562,260.30

Finding the Fourth Proportional to 22,128,198.30, 33,192,297.45 and 12,562,260.30

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Solution

The fourth proportional to 22,128,198.30, 33,192,297.45 and 12,562,260.30 is: 18,843,390.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128,198.30 : 33,192,297.45 = 12,562,260.30 : x
  2. Step 2: Convert to fraction form
    22,128,198.30/33,192,297.45 = 12,562,260.30/x
  3. Step 3: Cross multiply
    22,128,198.30x = 33,192,297.45 × 12,562,260.30
  4. Step 4: Simplify right side
    22,128,198.30x = 416,970,280,521,926.25
  5. Step 5: Solve for x
    x = 416,970,280,521,926.25/22,128,198.30
  6. Step 6: Final answer
    x = 18,843,390.45

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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.