Finding the Fourth Proportional to 19,951,967.62, 27,534,021.69 and 11,690,052.67
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Solution
The fourth proportional to 19,951,967.62, 27,534,021.69 and 11,690,052.67 is: 16,132,452.19
Step by Step Solution
- Step 1: Write the proportion equation
19,951,967.62 : 27,534,021.69 = 11,690,052.67 : x - Step 2: Convert to fraction form
19,951,967.62/27,534,021.69 = 11,690,052.67/x - Step 3: Cross multiply
19,951,967.62x = 27,534,021.69 × 11,690,052.67 - Step 4: Simplify right side
19,951,967.62x = 321,874,163,773,022.44 - Step 5: Solve for x
x = 321,874,163,773,022.44/19,951,967.62 - Step 6: Final answer
x = 16,132,452.19
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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.