Finding the Fourth Proportional to 18,366,383.68, 27,553,561.30 and 5,586,556.22
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Solution
The fourth proportional to 18,366,383.68, 27,553,561.30 and 5,586,556.22 is: 8,381,046.70
Step by Step Solution
- Step 1: Write the proportion equation
18,366,383.68 : 27,553,561.30 = 5,586,556.22 : x - Step 2: Convert to fraction form
18,366,383.68/27,553,561.30 = 5,586,556.22/x - Step 3: Cross multiply
18,366,383.68x = 27,553,561.30 × 5,586,556.22 - Step 4: Simplify right side
18,366,383.68x = 153,929,519,263,666.28 - Step 5: Solve for x
x = 153,929,519,263,666.28/18,366,383.68 - Step 6: Final answer
x = 8,381,046.70
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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.