Finding the Fourth Proportional to 16,181,691.20, 24,256,207.20 and 8,082,209.60
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Solution
The fourth proportional to 16,181,691.20, 24,256,207.20 and 8,082,209.60 is: 12,115,158.31
Step by Step Solution
- Step 1: Write the proportion equation
16,181,691.20 : 24,256,207.20 = 8,082,209.60 : x - Step 2: Convert to fraction form
16,181,691.20/24,256,207.20 = 8,082,209.60/x - Step 3: Cross multiply
16,181,691.20x = 24,256,207.20 × 8,082,209.60 - Step 4: Simplify right side
16,181,691.20x = 196,043,750,691,429.09 - Step 5: Solve for x
x = 196,043,750,691,429.09/16,181,691.20 - Step 6: Final answer
x = 12,115,158.31
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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.