Finding the Fourth Proportional to 18,364,234.40, 27,514,858.80 and 8,758,930.40
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Solution
The fourth proportional to 18,364,234.40, 27,514,858.80 and 8,758,930.40 is: 13,123,374.92
Step by Step Solution
- Step 1: Write the proportion equation
18,364,234.40 : 27,514,858.80 = 8,758,930.40 : x - Step 2: Convert to fraction form
18,364,234.40/27,514,858.80 = 8,758,930.40/x - Step 3: Cross multiply
18,364,234.40x = 27,514,858.80 × 8,758,930.40 - Step 4: Simplify right side
18,364,234.40x = 241,000,733,195,027.53 - Step 5: Solve for x
x = 241,000,733,195,027.53/18,364,234.40 - Step 6: Final answer
x = 13,123,374.92
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1.5x scale
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.