Finding the Fourth Proportional to 21,186,759.06, 31,780,433.84 and 6,040,690.56
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Solution
The fourth proportional to 21,186,759.06, 31,780,433.84 and 6,040,690.56 is: 9,061,120.02
Step by Step Solution
- Step 1: Write the proportion equation
21,186,759.06 : 31,780,433.84 = 6,040,690.56 : x - Step 2: Convert to fraction form
21,186,759.06/31,780,433.84 = 6,040,690.56/x - Step 3: Cross multiply
21,186,759.06x = 31,780,433.84 × 6,040,690.56 - Step 4: Simplify right side
21,186,759.06x = 191,975,766,659,789.09 - Step 5: Solve for x
x = 191,975,766,659,789.09/21,186,759.06 - Step 6: Final answer
x = 9,061,120.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.