Finding the Fourth Proportional to 8,221,738.08, 12,336,859.48 and 5,965,861.26
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Solution
The fourth proportional to 8,221,738.08, 12,336,859.48 and 5,965,861.26 is: 8,951,877.49
Step by Step Solution
- Step 1: Write the proportion equation
8,221,738.08 : 12,336,859.48 = 5,965,861.26 : x - Step 2: Convert to fraction form
8,221,738.08/12,336,859.48 = 5,965,861.26/x - Step 3: Cross multiply
8,221,738.08x = 12,336,859.48 × 5,965,861.26 - Step 4: Simplify right side
8,221,738.08x = 73,599,992,041,795.75 - Step 5: Solve for x
x = 73,599,992,041,795.75/8,221,738.08 - Step 6: Final answer
x = 8,951,877.49
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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.