Finding the Fourth Proportional to 8,215,749.98, 12,324,745.92 and 3,422,318.24
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Solution
The fourth proportional to 8,215,749.98, 12,324,745.92 and 3,422,318.24 is: 5,133,944.29
Step by Step Solution
- Step 1: Write the proportion equation
8,215,749.98 : 12,324,745.92 = 3,422,318.24 : x - Step 2: Convert to fraction form
8,215,749.98/12,324,745.92 = 3,422,318.24/x - Step 3: Cross multiply
8,215,749.98x = 12,324,745.92 × 3,422,318.24 - Step 4: Simplify right side
8,215,749.98x = 42,179,202,703,757.85 - Step 5: Solve for x
x = 42,179,202,703,757.85/8,215,749.98 - Step 6: Final answer
x = 5,133,944.29
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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.