Finding the Fourth Proportional to 16,001,678.59, 22,082,383.79 and 8,659,512.09
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Solution
The fourth proportional to 16,001,678.59, 22,082,383.79 and 8,659,512.09 is: 11,950,163.13
Step by Step Solution
- Step 1: Write the proportion equation
16,001,678.59 : 22,082,383.79 = 8,659,512.09 : x - Step 2: Convert to fraction form
16,001,678.59/22,082,383.79 = 8,659,512.09/x - Step 3: Cross multiply
16,001,678.59x = 22,082,383.79 × 8,659,512.09 - Step 4: Simplify right side
16,001,678.59x = 191,222,669,394,700.62 - Step 5: Solve for x
x = 191,222,669,394,700.62/16,001,678.59 - Step 6: Final answer
x = 11,950,163.13
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1.5x scale
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.