Finding the Fourth Proportional to 7,461,716.60, 11,192,574.90 and 2,669,115.08
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Solution
The fourth proportional to 7,461,716.60, 11,192,574.90 and 2,669,115.08 is: 4,003,672.62
Step by Step Solution
- Step 1: Write the proportion equation
7,461,716.60 : 11,192,574.90 = 2,669,115.08 : x - Step 2: Convert to fraction form
7,461,716.60/11,192,574.90 = 2,669,115.08/x - Step 3: Cross multiply
7,461,716.60x = 11,192,574.90 × 2,669,115.08 - Step 4: Simplify right side
7,461,716.60x = 29,874,270,449,619.49 - Step 5: Solve for x
x = 29,874,270,449,619.49/7,461,716.60 - Step 6: Final answer
x = 4,003,672.62
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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.