Home / 12,763,932.20-19,147,647.90-4,243,380.20

Finding the Fourth Proportional to 12,763,932.20, 19,147,647.90 and 4,243,380.20

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Solution

The fourth proportional to 12,763,932.20, 19,147,647.90 and 4,243,380.20 is: 6,365,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,932.20 : 19,147,647.90 = 4,243,380.20 : x
  2. Step 2: Convert to fraction form
    12,763,932.20/19,147,647.90 = 4,243,380.20/x
  3. Step 3: Cross multiply
    12,763,932.20x = 19,147,647.90 × 4,243,380.20
  4. Step 4: Simplify right side
    12,763,932.20x = 81,250,749,975,431.58
  5. Step 5: Solve for x
    x = 81,250,749,975,431.58/12,763,932.20
  6. Step 6: Final answer
    x = 6,365,651.96

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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.