Finding the Fourth Proportional to 7,679,333.18, 11,514,543.27 and 3,635,787.05
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Solution
The fourth proportional to 7,679,333.18, 11,514,543.27 and 3,635,787.05 is: 5,451,570.64
Step by Step Solution
- Step 1: Write the proportion equation
7,679,333.18 : 11,514,543.27 = 3,635,787.05 : x - Step 2: Convert to fraction form
7,679,333.18/11,514,543.27 = 3,635,787.05/x - Step 3: Cross multiply
7,679,333.18x = 11,514,543.27 × 3,635,787.05 - Step 4: Simplify right side
7,679,333.18x = 41,864,427,250,157.94 - Step 5: Solve for x
x = 41,864,427,250,157.94/7,679,333.18 - Step 6: Final answer
x = 5,451,570.64
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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.