Home / 12,291,288.70-18,436,933.05-4,313,112.70

Finding the Fourth Proportional to 12,291,288.70, 18,436,933.05 and 4,313,112.70

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Solution

The fourth proportional to 12,291,288.70, 18,436,933.05 and 4,313,112.70 is: 6,469,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,288.70 : 18,436,933.05 = 4,313,112.70 : x
  2. Step 2: Convert to fraction form
    12,291,288.70/18,436,933.05 = 4,313,112.70/x
  3. Step 3: Cross multiply
    12,291,288.70x = 18,436,933.05 × 4,313,112.70
  4. Step 4: Simplify right side
    12,291,288.70x = 79,520,570,087,004.73
  5. Step 5: Solve for x
    x = 79,520,570,087,004.73/12,291,288.70
  6. Step 6: Final answer
    x = 6,469,669.05

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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.