Finding the Fourth Proportional to 7,659,861.34, 11,489,771.05 and 2,268,932.08
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Solution
The fourth proportional to 7,659,861.34, 11,489,771.05 and 2,268,932.08 is: 3,403,391.92
Step by Step Solution
- Step 1: Write the proportion equation
7,659,861.34 : 11,489,771.05 = 2,268,932.08 : x - Step 2: Convert to fraction form
7,659,861.34/11,489,771.05 = 2,268,932.08/x - Step 3: Cross multiply
7,659,861.34x = 11,489,771.05 × 2,268,932.08 - Step 4: Simplify right side
7,659,861.34x = 26,069,510,153,043.19 - Step 5: Solve for x
x = 26,069,510,153,043.19/7,659,861.34 - Step 6: Final answer
x = 3,403,391.92
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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.