Finding the Fourth Proportional to 11,689,512.57, 16,132,025.52 and 6,532,873.92
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Solution
The fourth proportional to 11,689,512.57, 16,132,025.52 and 6,532,873.92 is: 9,015,644.42
Step by Step Solution
- Step 1: Write the proportion equation
11,689,512.57 : 16,132,025.52 = 6,532,873.92 : x - Step 2: Convert to fraction form
11,689,512.57/16,132,025.52 = 6,532,873.92/x - Step 3: Cross multiply
11,689,512.57x = 16,132,025.52 × 6,532,873.92 - Step 4: Simplify right side
11,689,512.57x = 105,388,488,796,382.44 - Step 5: Solve for x
x = 105,388,488,796,382.44/11,689,512.57 - Step 6: Final answer
x = 9,015,644.42
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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.