Finding the Fourth Proportional to 21,410,414.11, 29,546,000.67 and 11,620,648.09
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Solution
The fourth proportional to 21,410,414.11, 29,546,000.67 and 11,620,648.09 is: 16,036,293.11
Step by Step Solution
- Step 1: Write the proportion equation
21,410,414.11 : 29,546,000.67 = 11,620,648.09 : x - Step 2: Convert to fraction form
21,410,414.11/29,546,000.67 = 11,620,648.09/x - Step 3: Cross multiply
21,410,414.11x = 29,546,000.67 × 11,620,648.09 - Step 4: Simplify right side
21,410,414.11x = 343,343,676,252,974.25 - Step 5: Solve for x
x = 343,343,676,252,974.25/21,410,414.11 - Step 6: Final answer
x = 16,036,293.11
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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.