Finding the Fourth Proportional to 7,738,276.16, 11,607,523.62 and 2,946,227.48
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Solution
The fourth proportional to 7,738,276.16, 11,607,523.62 and 2,946,227.48 is: 4,419,382.86
Step by Step Solution
- Step 1: Write the proportion equation
7,738,276.16 : 11,607,523.62 = 2,946,227.48 : x - Step 2: Convert to fraction form
7,738,276.16/11,607,523.62 = 2,946,227.48/x - Step 3: Cross multiply
7,738,276.16x = 11,607,523.62 × 2,946,227.48 - Step 4: Simplify right side
7,738,276.16x = 34,198,405,063,993.07 - Step 5: Solve for x
x = 34,198,405,063,993.07/7,738,276.16 - Step 6: Final answer
x = 4,419,382.86
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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.