Finding the Fourth Proportional to 18,042,539.44, 26,999,158.94 and 15,622,043.17
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Solution
The fourth proportional to 18,042,539.44, 26,999,158.94 and 15,622,043.17 is: 23,377,087.68
Step by Step Solution
- Step 1: Write the proportion equation
18,042,539.44 : 26,999,158.94 = 15,622,043.17 : x - Step 2: Convert to fraction form
18,042,539.44/26,999,158.94 = 15,622,043.17/x - Step 3: Cross multiply
18,042,539.44x = 26,999,158.94 × 15,622,043.17 - Step 4: Simplify right side
18,042,539.44x = 421,782,026,514,371.44 - Step 5: Solve for x
x = 421,782,026,514,371.44/18,042,539.44 - Step 6: Final answer
x = 23,377,087.68
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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.