Finding the Fourth Proportional to 7,776,694.62, 11,667,240.27 and 2,660,232.42
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Solution
The fourth proportional to 7,776,694.62, 11,667,240.27 and 2,660,232.42 is: 3,991,100.63
Step by Step Solution
- Step 1: Write the proportion equation
7,776,694.62 : 11,667,240.27 = 2,660,232.42 : x - Step 2: Convert to fraction form
7,776,694.62/11,667,240.27 = 2,660,232.42/x - Step 3: Cross multiply
7,776,694.62x = 11,667,240.27 × 2,660,232.42 - Step 4: Simplify right side
7,776,694.62x = 31,037,570,818,183.55 - Step 5: Solve for x
x = 31,037,570,818,183.55/7,776,694.62 - Step 6: Final answer
x = 3,991,100.63
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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.