Finding the Fourth Proportional to 11,278,045.62, 15,563,286 and 6,121,297.26
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Solution
The fourth proportional to 11,278,045.62, 15,563,286 and 6,121,297.26 is: 8,447,163.91
Step by Step Solution
- Step 1: Write the proportion equation
11,278,045.62 : 15,563,286 = 6,121,297.26 : x - Step 2: Convert to fraction form
11,278,045.62/15,563,286 = 6,121,297.26/x - Step 3: Cross multiply
11,278,045.62x = 15,563,286 × 6,121,297.26 - Step 4: Simplify right side
11,278,045.62x = 95,267,499,948,396.36 - Step 5: Solve for x
x = 95,267,499,948,396.36/11,278,045.62 - Step 6: Final answer
x = 8,447,163.91
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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.