Finding the Fourth Proportional to 14,313,560.71, 19,751,239.11 and 8,511,221.29
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Solution
The fourth proportional to 14,313,560.71, 19,751,239.11 and 8,511,221.29 is: 11,744,608.50
Step by Step Solution
- Step 1: Write the proportion equation
14,313,560.71 : 19,751,239.11 = 8,511,221.29 : x - Step 2: Convert to fraction form
14,313,560.71/19,751,239.11 = 8,511,221.29/x - Step 3: Cross multiply
14,313,560.71x = 19,751,239.11 × 8,511,221.29 - Step 4: Simplify right side
14,313,560.71x = 168,107,166,816,912.62 - Step 5: Solve for x
x = 168,107,166,816,912.62/14,313,560.71 - Step 6: Final answer
x = 11,744,608.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.