Finding the Fourth Proportional to 12,093,770.97, 16,689,400.79 and 6,661,262.97
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Solution
The fourth proportional to 12,093,770.97, 16,689,400.79 and 6,661,262.97 is: 9,192,541.16
Step by Step Solution
- Step 1: Write the proportion equation
12,093,770.97 : 16,689,400.79 = 6,661,262.97 : x - Step 2: Convert to fraction form
12,093,770.97/16,689,400.79 = 6,661,262.97/x - Step 3: Cross multiply
12,093,770.97x = 16,689,400.79 × 6,661,262.97 - Step 4: Simplify right side
12,093,770.97x = 111,172,487,440,609.42 - Step 5: Solve for x
x = 111,172,487,440,609.42/12,093,770.97 - Step 6: Final answer
x = 9,192,541.16
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1.5x scale
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.