Finding the Fourth Proportional to 7,486,821.84, 10,331,821.17 and 4,049,062.80
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Solution
The fourth proportional to 7,486,821.84, 10,331,821.17 and 4,049,062.80 is: 5,587,710.47
Step by Step Solution
- Step 1: Write the proportion equation
7,486,821.84 : 10,331,821.17 = 4,049,062.80 : x - Step 2: Convert to fraction form
7,486,821.84/10,331,821.17 = 4,049,062.80/x - Step 3: Cross multiply
7,486,821.84x = 10,331,821.17 × 4,049,062.80 - Step 4: Simplify right side
7,486,821.84x = 41,834,192,755,699.48 - Step 5: Solve for x
x = 41,834,192,755,699.48/7,486,821.84 - Step 6: Final answer
x = 5,587,710.47
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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.