Finding the Fourth Proportional to 7,568,521.20, 11,351,553.84 and 2,175,942.96
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Solution
The fourth proportional to 7,568,521.20, 11,351,553.84 and 2,175,942.96 is: 3,263,561.40
Step by Step Solution
- Step 1: Write the proportion equation
7,568,521.20 : 11,351,553.84 = 2,175,942.96 : x - Step 2: Convert to fraction form
7,568,521.20/11,351,553.84 = 2,175,942.96/x - Step 3: Cross multiply
7,568,521.20x = 11,351,553.84 × 2,175,942.96 - Step 4: Simplify right side
7,568,521.20x = 24,700,333,663,208.96 - Step 5: Solve for x
x = 24,700,333,663,208.96/7,568,521.20 - Step 6: Final answer
x = 3,263,561.40
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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.