Finding the Fourth Proportional to 11,122,514.40, 16,651,112.40 and 8,295,160.80
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Solution
The fourth proportional to 11,122,514.40, 16,651,112.40 and 8,295,160.80 is: 12,418,384.00
Step by Step Solution
- Step 1: Write the proportion equation
11,122,514.40 : 16,651,112.40 = 8,295,160.80 : x - Step 2: Convert to fraction form
11,122,514.40/16,651,112.40 = 8,295,160.80/x - Step 3: Cross multiply
11,122,514.40x = 16,651,112.40 × 8,295,160.80 - Step 4: Simplify right side
11,122,514.40x = 138,123,654,856,873.92 - Step 5: Solve for x
x = 138,123,654,856,873.92/11,122,514.40 - Step 6: Final answer
x = 12,418,384.00
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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.