Home / 8,374,821.40-12,562,232.10-3,326,131.90

Finding the Fourth Proportional to 8,374,821.40, 12,562,232.10 and 3,326,131.90

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Solution

The fourth proportional to 8,374,821.40, 12,562,232.10 and 3,326,131.90 is: 4,989,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374,821.40 : 12,562,232.10 = 3,326,131.90 : x
  2. Step 2: Convert to fraction form
    8,374,821.40/12,562,232.10 = 3,326,131.90/x
  3. Step 3: Cross multiply
    8,374,821.40x = 12,562,232.10 × 3,326,131.90
  4. Step 4: Simplify right side
    8,374,821.40x = 41,783,640,923,013.98
  5. Step 5: Solve for x
    x = 41,783,640,923,013.98/8,374,821.40
  6. Step 6: Final answer
    x = 4,989,197.85

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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.