Finding the Fourth Proportional to 11,687,891.49, 17,531,837.30 and 3,168,227.92
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Solution
The fourth proportional to 11,687,891.49, 17,531,837.30 and 3,168,227.92 is: 4,752,341.90
Step by Step Solution
- Step 1: Write the proportion equation
11,687,891.49 : 17,531,837.30 = 3,168,227.92 : x - Step 2: Convert to fraction form
11,687,891.49/17,531,837.30 = 3,168,227.92/x - Step 3: Cross multiply
11,687,891.49x = 17,531,837.30 × 3,168,227.92 - Step 4: Simplify right side
11,687,891.49x = 55,544,856,422,757.41 - Step 5: Solve for x
x = 55,544,856,422,757.41/11,687,891.49 - Step 6: Final answer
x = 4,752,341.90
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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.