Finding the Fourth Proportional to 8,242,851.20, 12,364,147.20 and 2,259,219.20
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Solution
The fourth proportional to 8,242,851.20, 12,364,147.20 and 2,259,219.20 is: 3,388,793.28
Step by Step Solution
- Step 1: Write the proportion equation
8,242,851.20 : 12,364,147.20 = 2,259,219.20 : x - Step 2: Convert to fraction form
8,242,851.20/12,364,147.20 = 2,259,219.20/x - Step 3: Cross multiply
8,242,851.20x = 12,364,147.20 × 2,259,219.20 - Step 4: Simplify right side
8,242,851.20x = 27,933,318,745,866.24 - Step 5: Solve for x
x = 27,933,318,745,866.24/8,242,851.20 - Step 6: Final answer
x = 3,388,793.28
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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.