Finding the Fourth Proportional to 8,168,481.12, 12,254,549.04 and 2,489,149.92
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Solution
The fourth proportional to 8,168,481.12, 12,254,549.04 and 2,489,149.92 is: 3,734,281.72
Step by Step Solution
- Step 1: Write the proportion equation
8,168,481.12 : 12,254,549.04 = 2,489,149.92 : x - Step 2: Convert to fraction form
8,168,481.12/12,254,549.04 = 2,489,149.92/x - Step 3: Cross multiply
8,168,481.12x = 12,254,549.04 × 2,489,149.92 - Step 4: Simplify right side
8,168,481.12x = 30,503,409,762,552.07 - Step 5: Solve for x
x = 30,503,409,762,552.07/8,168,481.12 - Step 6: Final answer
x = 3,734,281.72
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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.