Finding the Fourth Proportional to 18,533,253.26, 27,800,043.92 and 7,609,450.70
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Solution
The fourth proportional to 18,533,253.26, 27,800,043.92 and 7,609,450.70 is: 11,414,243.39
Step by Step Solution
- Step 1: Write the proportion equation
18,533,253.26 : 27,800,043.92 = 7,609,450.70 : x - Step 2: Convert to fraction form
18,533,253.26/27,800,043.92 = 7,609,450.70/x - Step 3: Cross multiply
18,533,253.26x = 27,800,043.92 × 7,609,450.70 - Step 4: Simplify right side
18,533,253.26x = 211,543,063,490,027.28 - Step 5: Solve for x
x = 211,543,063,490,027.28/18,533,253.26 - Step 6: Final answer
x = 11,414,243.39
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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.