Finding the Fourth Proportional to 21,678,211.20, 32,504,330.36 and 6,899,922.97
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Solution
The fourth proportional to 21,678,211.20, 32,504,330.36 and 6,899,922.97 is: 10,345,751.02
Step by Step Solution
- Step 1: Write the proportion equation
21,678,211.20 : 32,504,330.36 = 6,899,922.97 : x - Step 2: Convert to fraction form
21,678,211.20/32,504,330.36 = 6,899,922.97/x - Step 3: Cross multiply
21,678,211.20x = 32,504,330.36 × 6,899,922.97 - Step 4: Simplify right side
21,678,211.20x = 224,277,375,611,421.38 - Step 5: Solve for x
x = 224,277,375,611,421.38/21,678,211.20 - Step 6: Final answer
x = 10,345,751.02
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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.