Finding the Fourth Proportional to 18,458,310.70, 27,687,466.05 and 18,458,310.70
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Solution
The fourth proportional to 18,458,310.70, 27,687,466.05 and 18,458,310.70 is: 27,687,466.05
Step by Step Solution
- Step 1: Write the proportion equation
18,458,310.70 : 27,687,466.05 = 18,458,310.70 : x - Step 2: Convert to fraction form
18,458,310.70/27,687,466.05 = 18,458,310.70/x - Step 3: Cross multiply
18,458,310.70x = 27,687,466.05 × 18,458,310.70 - Step 4: Simplify right side
18,458,310.70x = 511,063,850,846,601.75 - Step 5: Solve for x
x = 511,063,850,846,601.75/18,458,310.70 - Step 6: Final answer
x = 27,687,466.05
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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.