Finding the Fourth Proportional to 14,642,817.21, 21,964,442.79 and 5,542,471.44
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Solution
The fourth proportional to 14,642,817.21, 21,964,442.79 and 5,542,471.44 is: 8,313,789.29
Step by Step Solution
- Step 1: Write the proportion equation
14,642,817.21 : 21,964,442.79 = 5,542,471.44 : x - Step 2: Convert to fraction form
14,642,817.21/21,964,442.79 = 5,542,471.44/x - Step 3: Cross multiply
14,642,817.21x = 21,964,442.79 × 5,542,471.44 - Step 4: Simplify right side
14,642,817.21x = 121,737,296,859,088.92 - Step 5: Solve for x
x = 121,737,296,859,088.92/14,642,817.21 - Step 6: Final answer
x = 8,313,789.29
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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.