Finding the Fourth Proportional to 21,584,287.67, 29,786,391.36 and 11,794,732.02
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Solution
The fourth proportional to 21,584,287.67, 29,786,391.36 and 11,794,732.02 is: 16,276,770.83
Step by Step Solution
- Step 1: Write the proportion equation
21,584,287.67 : 29,786,391.36 = 11,794,732.02 : x - Step 2: Convert to fraction form
21,584,287.67/29,786,391.36 = 11,794,732.02/x - Step 3: Cross multiply
21,584,287.67x = 29,786,391.36 × 11,794,732.02 - Step 4: Simplify right side
21,584,287.67x = 351,322,503,934,043.31 - Step 5: Solve for x
x = 351,322,503,934,043.31/21,584,287.67 - Step 6: Final answer
x = 16,276,770.83
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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.