Finding the Fourth Proportional to 18,676,516.05, 27,988,530.08 and 14,844,892.05
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Solution
The fourth proportional to 18,676,516.05, 27,988,530.08 and 14,844,892.05 is: 22,246,478.22
Step by Step Solution
- Step 1: Write the proportion equation
18,676,516.05 : 27,988,530.08 = 14,844,892.05 : x - Step 2: Convert to fraction form
18,676,516.05/27,988,530.08 = 14,844,892.05/x - Step 3: Cross multiply
18,676,516.05x = 27,988,530.08 × 14,844,892.05 - Step 4: Simplify right side
18,676,516.05x = 415,486,707,601,553.44 - Step 5: Solve for x
x = 415,486,707,601,553.44/18,676,516.05 - Step 6: Final answer
x = 22,246,478.22
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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.