Finding the Fourth Proportional to 11,397,732.87, 15,728,874.75 and 6,170,740
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Solution
The fourth proportional to 11,397,732.87, 15,728,874.75 and 6,170,740 is: 8,515,623.04
Step by Step Solution
- Step 1: Write the proportion equation
11,397,732.87 : 15,728,874.75 = 6,170,740 : x - Step 2: Convert to fraction form
11,397,732.87/15,728,874.75 = 6,170,740/x - Step 3: Cross multiply
11,397,732.87x = 15,728,874.75 × 6,170,740 - Step 4: Simplify right side
11,397,732.87x = 97,058,796,574,815 - Step 5: Solve for x
x = 97,058,796,574,815/11,397,732.87 - Step 6: Final answer
x = 8,515,623.04
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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.