Finding the Fourth Proportional to 7,659,873.65, 11,492,435.16 and 2,614,727.09
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Solution
The fourth proportional to 7,659,873.65, 11,492,435.16 and 2,614,727.09 is: 3,922,986.58
Step by Step Solution
- Step 1: Write the proportion equation
7,659,873.65 : 11,492,435.16 = 2,614,727.09 : x - Step 2: Convert to fraction form
7,659,873.65/11,492,435.16 = 2,614,727.09/x - Step 3: Cross multiply
7,659,873.65x = 11,492,435.16 × 2,614,727.09 - Step 4: Simplify right side
7,659,873.65x = 30,049,581,529,846.84 - Step 5: Solve for x
x = 30,049,581,529,846.84/7,659,873.65 - Step 6: Final answer
x = 3,922,986.58
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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.