Finding the Fourth Proportional to 8,076,882.80, 12,115,324.20 and 4,888,236.80
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Solution
The fourth proportional to 8,076,882.80, 12,115,324.20 and 4,888,236.80 is: 7,332,355.20
Step by Step Solution
- Step 1: Write the proportion equation
8,076,882.80 : 12,115,324.20 = 4,888,236.80 : x - Step 2: Convert to fraction form
8,076,882.80/12,115,324.20 = 4,888,236.80/x - Step 3: Cross multiply
8,076,882.80x = 12,115,324.20 × 4,888,236.80 - Step 4: Simplify right side
8,076,882.80x = 59,222,573,598,370.55 - Step 5: Solve for x
x = 59,222,573,598,370.55/8,076,882.80 - Step 6: Final answer
x = 7,332,355.20
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1.5x scale
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.