Finding the Fourth Proportional to 40,511,175.17, 55,901,874.20 and 22,869,105.44
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Solution
The fourth proportional to 40,511,175.17, 55,901,874.20 and 22,869,105.44 is: 31,557,362.87
Step by Step Solution
- Step 1: Write the proportion equation
40,511,175.17 : 55,901,874.20 = 22,869,105.44 : x - Step 2: Convert to fraction form
40,511,175.17/55,901,874.20 = 22,869,105.44/x - Step 3: Cross multiply
40,511,175.17x = 55,901,874.20 × 22,869,105.44 - Step 4: Simplify right side
40,511,175.17x = 1,278,425,854,979,560.75 - Step 5: Solve for x
x = 1,278,425,854,979,560.75/40,511,175.17 - Step 6: Final answer
x = 31,557,362.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.