Finding the Fourth Proportional to 21,334,499.68, 29,441,687.10 and 11,544,942.84
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Solution
The fourth proportional to 21,334,499.68, 29,441,687.10 and 11,544,942.84 is: 15,932,063.08
Step by Step Solution
- Step 1: Write the proportion equation
21,334,499.68 : 29,441,687.10 = 11,544,942.84 : x - Step 2: Convert to fraction form
21,334,499.68/29,441,687.10 = 11,544,942.84/x - Step 3: Cross multiply
21,334,499.68x = 29,441,687.10 × 11,544,942.84 - Step 4: Simplify right side
21,334,499.68x = 339,902,594,682,665.38 - Step 5: Solve for x
x = 339,902,594,682,665.38/21,334,499.68 - Step 6: Final answer
x = 15,932,063.08
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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.