Finding the Fourth Proportional to 18,152,247.20, 27,227,714.70 and 7,369,243.70
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Solution
The fourth proportional to 18,152,247.20, 27,227,714.70 and 7,369,243.70 is: 11,053,599.19
Step by Step Solution
- Step 1: Write the proportion equation
18,152,247.20 : 27,227,714.70 = 7,369,243.70 : x - Step 2: Convert to fraction form
18,152,247.20/27,227,714.70 = 7,369,243.70/x - Step 3: Cross multiply
18,152,247.20x = 27,227,714.70 × 7,369,243.70 - Step 4: Simplify right side
18,152,247.20x = 200,647,665,018,372.38 - Step 5: Solve for x
x = 200,647,665,018,372.38/18,152,247.20 - Step 6: Final answer
x = 11,053,599.19
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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.