Finding the Fourth Proportional to 11,203,629.20, 16,777,450.20 and 8,964,141.20
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Solution
The fourth proportional to 11,203,629.20, 16,777,450.20 and 8,964,141.20 is: 13,423,813.83
Step by Step Solution
- Step 1: Write the proportion equation
11,203,629.20 : 16,777,450.20 = 8,964,141.20 : x - Step 2: Convert to fraction form
11,203,629.20/16,777,450.20 = 8,964,141.20/x - Step 3: Cross multiply
11,203,629.20x = 16,777,450.20 × 8,964,141.20 - Step 4: Simplify right side
11,203,629.20x = 150,395,432,568,768.22 - Step 5: Solve for x
x = 150,395,432,568,768.22/11,203,629.20 - Step 6: Final answer
x = 13,423,813.83
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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.