Finding the Fourth Proportional to 18,517,806.90, 27,794,638.35 and 8,939,906.10
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Solution
The fourth proportional to 18,517,806.90, 27,794,638.35 and 8,939,906.10 is: 13,418,514.31
Step by Step Solution
- Step 1: Write the proportion equation
18,517,806.90 : 27,794,638.35 = 8,939,906.10 : x - Step 2: Convert to fraction form
18,517,806.90/27,794,638.35 = 8,939,906.10/x - Step 3: Cross multiply
18,517,806.90x = 27,794,638.35 × 8,939,906.10 - Step 4: Simplify right side
18,517,806.90x = 248,481,456,932,458.94 - Step 5: Solve for x
x = 248,481,456,932,458.94/18,517,806.90 - Step 6: Final answer
x = 13,418,514.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.