Finding the Fourth Proportional to 12,296,424.20, 18,444,636.30 and 8,629,481.30
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Solution
The fourth proportional to 12,296,424.20, 18,444,636.30 and 8,629,481.30 is: 12,944,221.95
Step by Step Solution
- Step 1: Write the proportion equation
12,296,424.20 : 18,444,636.30 = 8,629,481.30 : x - Step 2: Convert to fraction form
12,296,424.20/18,444,636.30 = 8,629,481.30/x - Step 3: Cross multiply
12,296,424.20x = 18,444,636.30 × 8,629,481.30 - Step 4: Simplify right side
12,296,424.20x = 159,167,644,036,151.22 - Step 5: Solve for x
x = 159,167,644,036,151.22/12,296,424.20 - Step 6: Final answer
x = 12,944,221.95
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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.