Finding the Fourth Proportional to 11,586,844.44, 15,990,208.92 and 6,691,975.56
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Solution
The fourth proportional to 11,586,844.44, 15,990,208.92 and 6,691,975.56 is: 9,235,136.27
Step by Step Solution
- Step 1: Write the proportion equation
11,586,844.44 : 15,990,208.92 = 6,691,975.56 : x - Step 2: Convert to fraction form
11,586,844.44/15,990,208.92 = 6,691,975.56/x - Step 3: Cross multiply
11,586,844.44x = 15,990,208.92 × 6,691,975.56 - Step 4: Simplify right side
11,586,844.44x = 107,006,087,291,933.98 - Step 5: Solve for x
x = 107,006,087,291,933.98/11,586,844.44 - Step 6: Final answer
x = 9,235,136.27
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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.