Finding the Fourth Proportional to 7,568,522.20, 11,351,555.34 and 2,175,943.96
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Solution
The fourth proportional to 7,568,522.20, 11,351,555.34 and 2,175,943.96 is: 3,263,562.90
Step by Step Solution
- Step 1: Write the proportion equation
7,568,522.20 : 11,351,555.34 = 2,175,943.96 : x - Step 2: Convert to fraction form
7,568,522.20/11,351,555.34 = 2,175,943.96/x - Step 3: Cross multiply
7,568,522.20x = 11,351,555.34 × 2,175,943.96 - Step 4: Simplify right side
7,568,522.20x = 24,700,348,278,678.75 - Step 5: Solve for x
x = 24,700,348,278,678.75/7,568,522.20 - Step 6: Final answer
x = 3,263,562.90
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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.