Finding the Fourth Proportional to 15,491,144.80, 23,236,717.20 and 5,393,765.80
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Solution
The fourth proportional to 15,491,144.80, 23,236,717.20 and 5,393,765.80 is: 8,090,648.70
Step by Step Solution
- Step 1: Write the proportion equation
15,491,144.80 : 23,236,717.20 = 5,393,765.80 : x - Step 2: Convert to fraction form
15,491,144.80/23,236,717.20 = 5,393,765.80/x - Step 3: Cross multiply
15,491,144.80x = 23,236,717.20 × 5,393,765.80 - Step 4: Simplify right side
15,491,144.80x = 125,333,410,537,631.75 - Step 5: Solve for x
x = 125,333,410,537,631.75/15,491,144.80 - Step 6: Final answer
x = 8,090,648.70
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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.