Finding the Fourth Proportional to 7,241,496.22, 9,981,260.94 and 7,049,817.99
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Solution
The fourth proportional to 7,241,496.22, 9,981,260.94 and 7,049,817.99 is: 9,717,062.72
Step by Step Solution
- Step 1: Write the proportion equation
7,241,496.22 : 9,981,260.94 = 7,049,817.99 : x - Step 2: Convert to fraction form
7,241,496.22/9,981,260.94 = 7,049,817.99/x - Step 3: Cross multiply
7,241,496.22x = 9,981,260.94 × 7,049,817.99 - Step 4: Simplify right side
7,241,496.22x = 70,366,072,964,133.12 - Step 5: Solve for x
x = 70,366,072,964,133.12/7,241,496.22 - Step 6: Final answer
x = 9,717,062.72
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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.