Home / 22,383,618.70-33,575,428.05-20,620,021.90

Finding the Fourth Proportional to 22,383,618.70, 33,575,428.05 and 20,620,021.90

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Solution

The fourth proportional to 22,383,618.70, 33,575,428.05 and 20,620,021.90 is: 30,930,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,383,618.70 : 33,575,428.05 = 20,620,021.90 : x
  2. Step 2: Convert to fraction form
    22,383,618.70/33,575,428.05 = 20,620,021.90/x
  3. Step 3: Cross multiply
    22,383,618.70x = 33,575,428.05 × 20,620,021.90
  4. Step 4: Simplify right side
    22,383,618.70x = 692,326,061,692,874.12
  5. Step 5: Solve for x
    x = 692,326,061,692,874.12/22,383,618.70
  6. Step 6: Final answer
    x = 30,930,032.85

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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.