Finding the Fourth Proportional to 11,397,731.37, 15,728,872.68 and 6,170,738.49
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Solution
The fourth proportional to 11,397,731.37, 15,728,872.68 and 6,170,738.49 is: 8,515,620.96
Step by Step Solution
- Step 1: Write the proportion equation
11,397,731.37 : 15,728,872.68 = 6,170,738.49 : x - Step 2: Convert to fraction form
11,397,731.37/15,728,872.68 = 6,170,738.49/x - Step 3: Cross multiply
11,397,731.37x = 15,728,872.68 × 6,170,738.49 - Step 4: Simplify right side
11,397,731.37x = 97,058,760,109,768.73 - Step 5: Solve for x
x = 97,058,760,109,768.73/11,397,731.37 - Step 6: Final answer
x = 8,515,620.96
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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.