Finding the Fourth Proportional to 7,618,979.12, 10,511,198 and 4,354,042.26
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Solution
The fourth proportional to 7,618,979.12, 10,511,198 and 4,354,042.26 is: 6,006,867.79
Step by Step Solution
- Step 1: Write the proportion equation
7,618,979.12 : 10,511,198 = 4,354,042.26 : x - Step 2: Convert to fraction form
7,618,979.12/10,511,198 = 4,354,042.26/x - Step 3: Cross multiply
7,618,979.12x = 10,511,198 × 4,354,042.26 - Step 4: Simplify right side
7,618,979.12x = 45,766,200,295,227.48 - Step 5: Solve for x
x = 45,766,200,295,227.48/7,618,979.12 - Step 6: Final answer
x = 6,006,867.79
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1.5x scale
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.