Home / 12,446,662.10-18,669,993.15-12,366,945.95

Finding the Fourth Proportional to 12,446,662.10, 18,669,993.15 and 12,366,945.95

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Solution

The fourth proportional to 12,446,662.10, 18,669,993.15 and 12,366,945.95 is: 18,550,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,662.10 : 18,669,993.15 = 12,366,945.95 : x
  2. Step 2: Convert to fraction form
    12,446,662.10/18,669,993.15 = 12,366,945.95/x
  3. Step 3: Cross multiply
    12,446,662.10x = 18,669,993.15 × 12,366,945.95
  4. Step 4: Simplify right side
    12,446,662.10x = 230,890,796,172,920.22
  5. Step 5: Solve for x
    x = 230,890,796,172,920.22/12,446,662.10
  6. Step 6: Final answer
    x = 18,550,418.93

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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.