Home / 12,630,198.94-18,945,172.10-3,994,300.85

Finding the Fourth Proportional to 12,630,198.94, 18,945,172.10 and 3,994,300.85

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Solution

The fourth proportional to 12,630,198.94, 18,945,172.10 and 3,994,300.85 is: 5,991,411.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630,198.94 : 18,945,172.10 = 3,994,300.85 : x
  2. Step 2: Convert to fraction form
    12,630,198.94/18,945,172.10 = 3,994,300.85/x
  3. Step 3: Cross multiply
    12,630,198.94x = 18,945,172.10 × 3,994,300.85
  4. Step 4: Simplify right side
    12,630,198.94x = 75,672,717,079,774.97
  5. Step 5: Solve for x
    x = 75,672,717,079,774.97/12,630,198.94
  6. Step 6: Final answer
    x = 5,991,411.34

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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.