Finding the Fourth Proportional to 11,079,657.44, 16,625,337.60 and 7,861,986.92
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Solution
The fourth proportional to 11,079,657.44, 16,625,337.60 and 7,861,986.92 is: 11,797,132.49
Step by Step Solution
- Step 1: Write the proportion equation
11,079,657.44 : 16,625,337.60 = 7,861,986.92 : x - Step 2: Convert to fraction form
11,079,657.44/16,625,337.60 = 7,861,986.92/x - Step 3: Cross multiply
11,079,657.44x = 16,625,337.60 × 7,861,986.92 - Step 4: Simplify right side
11,079,657.44x = 130,708,186,751,784.19 - Step 5: Solve for x
x = 130,708,186,751,784.19/11,079,657.44 - Step 6: Final answer
x = 11,797,132.49
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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.