Finding the Fourth Proportional to 28,378,243.97, 42,563,324.09 and 8,944,944.42
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Solution
The fourth proportional to 28,378,243.97, 42,563,324.09 and 8,944,944.42 is: 13,416,142.62
Step by Step Solution
- Step 1: Write the proportion equation
28,378,243.97 : 42,563,324.09 = 8,944,944.42 : x - Step 2: Convert to fraction form
28,378,243.97/42,563,324.09 = 8,944,944.42/x - Step 3: Cross multiply
28,378,243.97x = 42,563,324.09 × 8,944,944.42 - Step 4: Simplify right side
28,378,243.97x = 380,726,568,352,609.44 - Step 5: Solve for x
x = 380,726,568,352,609.44/28,378,243.97 - Step 6: Final answer
x = 13,416,142.62
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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.