Finding the Fourth Proportional to 8,275,620.76, 12,409,432.98 and 2,884,144.12
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Solution
The fourth proportional to 8,275,620.76, 12,409,432.98 and 2,884,144.12 is: 4,324,822.78
Step by Step Solution
- Step 1: Write the proportion equation
8,275,620.76 : 12,409,432.98 = 2,884,144.12 : x - Step 2: Convert to fraction form
8,275,620.76/12,409,432.98 = 2,884,144.12/x - Step 3: Cross multiply
8,275,620.76x = 12,409,432.98 × 2,884,144.12 - Step 4: Simplify right side
8,275,620.76x = 35,790,593,161,801.08 - Step 5: Solve for x
x = 35,790,593,161,801.08/8,275,620.76 - Step 6: Final answer
x = 4,324,822.78
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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.