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Finding the Fourth Proportional to 22,471,293.90, 33,649,916.85 and 12,362,493.90

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Solution

The fourth proportional to 22,471,293.90, 33,649,916.85 and 12,362,493.90 is: 18,512,369.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471,293.90 : 33,649,916.85 = 12,362,493.90 : x
  2. Step 2: Convert to fraction form
    22,471,293.90/33,649,916.85 = 12,362,493.90/x
  3. Step 3: Cross multiply
    22,471,293.90x = 33,649,916.85 × 12,362,493.90
  4. Step 4: Simplify right side
    22,471,293.90x = 415,996,891,793,632.25
  5. Step 5: Solve for x
    x = 415,996,891,793,632.25/22,471,293.90
  6. Step 6: Final answer
    x = 18,512,369.32

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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.