Finding the Fourth Proportional to 10,431,328.57, 14,396,095.20 and 5,786,611.12
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Solution
The fourth proportional to 10,431,328.57, 14,396,095.20 and 5,786,611.12 is: 7,986,001.40
Step by Step Solution
- Step 1: Write the proportion equation
10,431,328.57 : 14,396,095.20 = 5,786,611.12 : x - Step 2: Convert to fraction form
10,431,328.57/14,396,095.20 = 5,786,611.12/x - Step 3: Cross multiply
10,431,328.57x = 14,396,095.20 × 5,786,611.12 - Step 4: Simplify right side
10,431,328.57x = 83,304,604,554,608.17 - Step 5: Solve for x
x = 83,304,604,554,608.17/10,431,328.57 - Step 6: Final answer
x = 7,986,001.40
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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.