Home / 22,147,214.90-33,220,822.35-12,421,844.60

Finding the Fourth Proportional to 22,147,214.90, 33,220,822.35 and 12,421,844.60

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Solution

The fourth proportional to 22,147,214.90, 33,220,822.35 and 12,421,844.60 is: 18,632,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147,214.90 : 33,220,822.35 = 12,421,844.60 : x
  2. Step 2: Convert to fraction form
    22,147,214.90/33,220,822.35 = 12,421,844.60/x
  3. Step 3: Cross multiply
    22,147,214.90x = 33,220,822.35 × 12,421,844.60
  4. Step 4: Simplify right side
    22,147,214.90x = 412,663,892,715,906.81
  5. Step 5: Solve for x
    x = 412,663,892,715,906.81/22,147,214.90
  6. Step 6: Final answer
    x = 18,632,766.90

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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.