Finding the Fourth Proportional to 7,257,425.26, 10,015,062.53 and 3,949,578.88
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Solution
The fourth proportional to 7,257,425.26, 10,015,062.53 and 3,949,578.88 is: 5,450,318.53
Step by Step Solution
- Step 1: Write the proportion equation
7,257,425.26 : 10,015,062.53 = 3,949,578.88 : x - Step 2: Convert to fraction form
7,257,425.26/10,015,062.53 = 3,949,578.88/x - Step 3: Cross multiply
7,257,425.26x = 10,015,062.53 × 3,949,578.88 - Step 4: Simplify right side
7,257,425.26x = 39,555,279,380,544.16 - Step 5: Solve for x
x = 39,555,279,380,544.16/7,257,425.26 - Step 6: Final answer
x = 5,450,318.53
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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.