Home / 20,940,840.30-31,414,212.90-6,562,408.80

Finding the Fourth Proportional to 20,940,840.30, 31,414,212.90 and 6,562,408.80

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Solution

The fourth proportional to 20,940,840.30, 31,414,212.90 and 6,562,408.80 is: 9,844,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,940,840.30 : 31,414,212.90 = 6,562,408.80 : x
  2. Step 2: Convert to fraction form
    20,940,840.30/31,414,212.90 = 6,562,408.80/x
  3. Step 3: Cross multiply
    20,940,840.30x = 31,414,212.90 × 6,562,408.80
  4. Step 4: Simplify right side
    20,940,840.30x = 206,152,907,180,033.50
  5. Step 5: Solve for x
    x = 206,152,907,180,033.50/20,940,840.30
  6. Step 6: Final answer
    x = 9,844,538.43

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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.