Finding the Fourth Proportional to 12,296,514.70, 18,444,772.05 and 8,629,571.80
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Solution
The fourth proportional to 12,296,514.70, 18,444,772.05 and 8,629,571.80 is: 12,944,357.70
Step by Step Solution
- Step 1: Write the proportion equation
12,296,514.70 : 18,444,772.05 = 8,629,571.80 : x - Step 2: Convert to fraction form
12,296,514.70/18,444,772.05 = 8,629,571.80/x - Step 3: Cross multiply
12,296,514.70x = 18,444,772.05 × 8,629,571.80 - Step 4: Simplify right side
12,296,514.70x = 159,170,484,740,108.22 - Step 5: Solve for x
x = 159,170,484,740,108.22/12,296,514.70 - Step 6: Final answer
x = 12,944,357.70
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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.