Finding the Fourth Proportional to 27,186,687.36, 37,517,626.47 and 14,796,869.62
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Solution
The fourth proportional to 27,186,687.36, 37,517,626.47 and 14,796,869.62 is: 20,419,678.94
Step by Step Solution
- Step 1: Write the proportion equation
27,186,687.36 : 37,517,626.47 = 14,796,869.62 : x - Step 2: Convert to fraction form
27,186,687.36/37,517,626.47 = 14,796,869.62/x - Step 3: Cross multiply
27,186,687.36x = 37,517,626.47 × 14,796,869.62 - Step 4: Simplify right side
27,186,687.36x = 555,143,427,385,252.75 - Step 5: Solve for x
x = 555,143,427,385,252.75/27,186,687.36 - Step 6: Final answer
x = 20,419,678.94
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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.