Finding the Fourth Proportional to 11,241,846.75, 15,515,850.20 and 6,412,950.75
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Solution
The fourth proportional to 11,241,846.75, 15,515,850.20 and 6,412,950.75 is: 8,851,070.95
Step by Step Solution
- Step 1: Write the proportion equation
11,241,846.75 : 15,515,850.20 = 6,412,950.75 : x - Step 2: Convert to fraction form
11,241,846.75/15,515,850.20 = 6,412,950.75/x - Step 3: Cross multiply
11,241,846.75x = 15,515,850.20 × 6,412,950.75 - Step 4: Simplify right side
11,241,846.75x = 99,502,383,144,912.89 - Step 5: Solve for x
x = 99,502,383,144,912.89/11,241,846.75 - Step 6: Final answer
x = 8,851,070.95
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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.