Finding the Fourth Proportional to 11,511,942.57, 15,886,224.09 and 6,284,750.13
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Solution
The fourth proportional to 11,511,942.57, 15,886,224.09 and 6,284,750.13 is: 8,672,815.06
Step by Step Solution
- Step 1: Write the proportion equation
11,511,942.57 : 15,886,224.09 = 6,284,750.13 : x - Step 2: Convert to fraction form
11,511,942.57/15,886,224.09 = 6,284,750.13/x - Step 3: Cross multiply
11,511,942.57x = 15,886,224.09 × 6,284,750.13 - Step 4: Simplify right side
11,511,942.57x = 99,840,948,914,836.62 - Step 5: Solve for x
x = 99,840,948,914,836.62/11,511,942.57 - Step 6: Final answer
x = 8,672,815.06
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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.