Finding the Fourth Proportional to 8,129,138.40, 12,193,713 and 2,064,324.96
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Solution
The fourth proportional to 8,129,138.40, 12,193,713 and 2,064,324.96 is: 3,096,488.81
Step by Step Solution
- Step 1: Write the proportion equation
8,129,138.40 : 12,193,713 = 2,064,324.96 : x - Step 2: Convert to fraction form
8,129,138.40/12,193,713 = 2,064,324.96/x - Step 3: Cross multiply
8,129,138.40x = 12,193,713 × 2,064,324.96 - Step 4: Simplify right side
8,129,138.40x = 25,171,786,100,976.48 - Step 5: Solve for x
x = 25,171,786,100,976.48/8,129,138.40 - Step 6: Final answer
x = 3,096,488.81
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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.