Finding the Fourth Proportional to 18,531,035.70, 27,796,553.55 and 5,067,863.70
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Solution
The fourth proportional to 18,531,035.70, 27,796,553.55 and 5,067,863.70 is: 7,601,795.55
Step by Step Solution
- Step 1: Write the proportion equation
18,531,035.70 : 27,796,553.55 = 5,067,863.70 : x - Step 2: Convert to fraction form
18,531,035.70/27,796,553.55 = 5,067,863.70/x - Step 3: Cross multiply
18,531,035.70x = 27,796,553.55 × 5,067,863.70 - Step 4: Simplify right side
18,531,035.70x = 140,869,144,721,151.16 - Step 5: Solve for x
x = 140,869,144,721,151.16/18,531,035.70 - Step 6: Final answer
x = 7,601,795.55
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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.