Home / 43,647,625-65,482,558.40-12,943,325.98

Finding the Fourth Proportional to 43,647,625, 65,482,558.40 and 12,943,325.98

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Solution

The fourth proportional to 43,647,625, 65,482,558.40 and 12,943,325.98 is: 19,418,286.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,647,625 : 65,482,558.40 = 12,943,325.98 : x
  2. Step 2: Convert to fraction form
    43,647,625/65,482,558.40 = 12,943,325.98/x
  3. Step 3: Cross multiply
    43,647,625x = 65,482,558.40 × 12,943,325.98
  4. Step 4: Simplify right side
    43,647,625x = 847,562,099,375,587.25
  5. Step 5: Solve for x
    x = 847,562,099,375,587.25/43,647,625
  6. Step 6: Final answer
    x = 19,418,286.78

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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.