Finding the Fourth Proportional to 10,522,093.70, 15,794,950.35 and 8,136,514.10
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Solution
The fourth proportional to 10,522,093.70, 15,794,950.35 and 8,136,514.10 is: 12,213,903.42
Step by Step Solution
- Step 1: Write the proportion equation
10,522,093.70 : 15,794,950.35 = 8,136,514.10 : x - Step 2: Convert to fraction form
10,522,093.70/15,794,950.35 = 8,136,514.10/x - Step 3: Cross multiply
10,522,093.70x = 15,794,950.35 × 8,136,514.10 - Step 4: Simplify right side
10,522,093.70x = 128,515,836,231,574.92 - Step 5: Solve for x
x = 128,515,836,231,574.92/10,522,093.70 - Step 6: Final answer
x = 12,213,903.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.