Finding the Fourth Proportional to 7,324,768.16, 10,987,146.46 and 2,207,198.11
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Solution
The fourth proportional to 7,324,768.16, 10,987,146.46 and 2,207,198.11 is: 3,310,795.42
Step by Step Solution
- Step 1: Write the proportion equation
7,324,768.16 : 10,987,146.46 = 2,207,198.11 : x - Step 2: Convert to fraction form
7,324,768.16/10,987,146.46 = 2,207,198.11/x - Step 3: Cross multiply
7,324,768.16x = 10,987,146.46 × 2,207,198.11 - Step 4: Simplify right side
7,324,768.16x = 24,250,808,896,697.22 - Step 5: Solve for x
x = 24,250,808,896,697.22/7,324,768.16 - Step 6: Final answer
x = 3,310,795.42
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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.