Finding the Fourth Proportional to 7,796,530.70, 11,637,691.22 and 6,876,153.62
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Solution
The fourth proportional to 7,796,530.70, 11,637,691.22 and 6,876,153.62 is: 10,263,866.80
Step by Step Solution
- Step 1: Write the proportion equation
7,796,530.70 : 11,637,691.22 = 6,876,153.62 : x - Step 2: Convert to fraction form
7,796,530.70/11,637,691.22 = 6,876,153.62/x - Step 3: Cross multiply
7,796,530.70x = 11,637,691.22 × 6,876,153.62 - Step 4: Simplify right side
7,796,530.70x = 80,022,552,631,344.25 - Step 5: Solve for x
x = 80,022,552,631,344.25/7,796,530.70 - Step 6: Final answer
x = 10,263,866.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.