Finding the Fourth Proportional to 11,619,472.49, 16,034,550.09 and 6,320,991.75
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Solution
The fourth proportional to 11,619,472.49, 16,034,550.09 and 6,320,991.75 is: 8,722,793.48
Step by Step Solution
- Step 1: Write the proportion equation
11,619,472.49 : 16,034,550.09 = 6,320,991.75 : x - Step 2: Convert to fraction form
11,619,472.49/16,034,550.09 = 6,320,991.75/x - Step 3: Cross multiply
11,619,472.49x = 16,034,550.09 × 6,320,991.75 - Step 4: Simplify right side
11,619,472.49x = 101,354,258,849,654.23 - Step 5: Solve for x
x = 101,354,258,849,654.23/11,619,472.49 - Step 6: Final answer
x = 8,722,793.48
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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.