Finding the Fourth Proportional to 7,244,623.05, 9,997,819.51 and 3,981,553.44
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Solution
The fourth proportional to 7,244,623.05, 9,997,819.51 and 3,981,553.44 is: 5,494,675.48
Step by Step Solution
- Step 1: Write the proportion equation
7,244,623.05 : 9,997,819.51 = 3,981,553.44 : x - Step 2: Convert to fraction form
7,244,623.05/9,997,819.51 = 3,981,553.44/x - Step 3: Cross multiply
7,244,623.05x = 9,997,819.51 × 3,981,553.44 - Step 4: Simplify right side
7,244,623.05x = 39,806,852,662,539.61 - Step 5: Solve for x
x = 39,806,852,662,539.61/7,244,623.05 - Step 6: Final answer
x = 5,494,675.48
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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.