Finding the Fourth Proportional to 8,215,751.48, 12,324,748.17 and 3,422,319.74
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Solution
The fourth proportional to 8,215,751.48, 12,324,748.17 and 3,422,319.74 is: 5,133,946.54
Step by Step Solution
- Step 1: Write the proportion equation
8,215,751.48 : 12,324,748.17 = 3,422,319.74 : x - Step 2: Convert to fraction form
8,215,751.48/12,324,748.17 = 3,422,319.74/x - Step 3: Cross multiply
8,215,751.48x = 12,324,748.17 × 3,422,319.74 - Step 4: Simplify right side
8,215,751.48x = 42,179,228,891,096.13 - Step 5: Solve for x
x = 42,179,228,891,096.13/8,215,751.48 - Step 6: Final answer
x = 5,133,946.54
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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.