Finding the Fourth Proportional to 7,467,470.43, 11,202,072.93 and 2,608,272.94
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Solution
The fourth proportional to 7,467,470.43, 11,202,072.93 and 2,608,272.94 is: 3,912,712.34
Step by Step Solution
- Step 1: Write the proportion equation
7,467,470.43 : 11,202,072.93 = 2,608,272.94 : x - Step 2: Convert to fraction form
7,467,470.43/11,202,072.93 = 2,608,272.94/x - Step 3: Cross multiply
7,467,470.43x = 11,202,072.93 × 2,608,272.94 - Step 4: Simplify right side
7,467,470.43x = 29,218,063,695,225.51 - Step 5: Solve for x
x = 29,218,063,695,225.51/7,467,470.43 - Step 6: Final answer
x = 3,912,712.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.