Finding the Fourth Proportional to 18,534,723.80, 27,779,967.30 and 7,752,003.80
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Solution
The fourth proportional to 18,534,723.80, 27,779,967.30 and 7,752,003.80 is: 11,618,754.85
Step by Step Solution
- Step 1: Write the proportion equation
18,534,723.80 : 27,779,967.30 = 7,752,003.80 : x - Step 2: Convert to fraction form
18,534,723.80/27,779,967.30 = 7,752,003.80/x - Step 3: Cross multiply
18,534,723.80x = 27,779,967.30 × 7,752,003.80 - Step 4: Simplify right side
18,534,723.80x = 215,350,412,073,475.75 - Step 5: Solve for x
x = 215,350,412,073,475.75/18,534,723.80 - Step 6: Final answer
x = 11,618,754.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.