Finding the Fourth Proportional to 12,689,442.24, 17,511,452.51 and 6,888,227.92
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Solution
The fourth proportional to 12,689,442.24, 17,511,452.51 and 6,888,227.92 is: 9,505,766.59
Step by Step Solution
- Step 1: Write the proportion equation
12,689,442.24 : 17,511,452.51 = 6,888,227.92 : x - Step 2: Convert to fraction form
12,689,442.24/17,511,452.51 = 6,888,227.92/x - Step 3: Cross multiply
12,689,442.24x = 17,511,452.51 × 6,888,227.92 - Step 4: Simplify right side
12,689,442.24x = 120,622,876,099,136.09 - Step 5: Solve for x
x = 120,622,876,099,136.09/12,689,442.24 - Step 6: Final answer
x = 9,505,766.59
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1.5x scale
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.