Finding the Fourth Proportional to 8,527,912.65, 11,768,550.21 and 4,660,435.62
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Solution
The fourth proportional to 8,527,912.65, 11,768,550.21 and 4,660,435.62 is: 6,431,417.96
Step by Step Solution
- Step 1: Write the proportion equation
8,527,912.65 : 11,768,550.21 = 4,660,435.62 : x - Step 2: Convert to fraction form
8,527,912.65/11,768,550.21 = 4,660,435.62/x - Step 3: Cross multiply
8,527,912.65x = 11,768,550.21 × 4,660,435.62 - Step 4: Simplify right side
8,527,912.65x = 54,846,570,594,442.48 - Step 5: Solve for x
x = 54,846,570,594,442.48/8,527,912.65 - Step 6: Final answer
x = 6,431,417.96
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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.