Finding the Fourth Proportional to 8,891,355.09, 12,270,082.52 and 4,816,974.09
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Solution
The fourth proportional to 8,891,355.09, 12,270,082.52 and 4,816,974.09 is: 6,647,431.01
Step by Step Solution
- Step 1: Write the proportion equation
8,891,355.09 : 12,270,082.52 = 4,816,974.09 : x - Step 2: Convert to fraction form
8,891,355.09/12,270,082.52 = 4,816,974.09/x - Step 3: Cross multiply
8,891,355.09x = 12,270,082.52 × 4,816,974.09 - Step 4: Simplify right side
8,891,355.09x = 59,104,669,581,001.91 - Step 5: Solve for x
x = 59,104,669,581,001.91/8,891,355.09 - Step 6: Final answer
x = 6,647,431.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.