Finding the Fourth Proportional to 7,715,293.14, 10,647,450.18 and 4,407,876.60
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Solution
The fourth proportional to 7,715,293.14, 10,647,450.18 and 4,407,876.60 is: 6,083,067.18
Step by Step Solution
- Step 1: Write the proportion equation
7,715,293.14 : 10,647,450.18 = 4,407,876.60 : x - Step 2: Convert to fraction form
7,715,293.14/10,647,450.18 = 4,407,876.60/x - Step 3: Cross multiply
7,715,293.14x = 10,647,450.18 × 4,407,876.60 - Step 4: Simplify right side
7,715,293.14x = 46,932,646,498,087.78 - Step 5: Solve for x
x = 46,932,646,498,087.78/7,715,293.14 - Step 6: Final answer
x = 6,083,067.18
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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.