Finding the Fourth Proportional to 21,444,236.28, 32,153,375.70 and 8,649,794.16
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Solution
The fourth proportional to 21,444,236.28, 32,153,375.70 and 8,649,794.16 is: 12,969,456.12
Step by Step Solution
- Step 1: Write the proportion equation
21,444,236.28 : 32,153,375.70 = 8,649,794.16 : x - Step 2: Convert to fraction form
21,444,236.28/32,153,375.70 = 8,649,794.16/x - Step 3: Cross multiply
21,444,236.28x = 32,153,375.70 × 8,649,794.16 - Step 4: Simplify right side
21,444,236.28x = 278,120,081,354,145.91 - Step 5: Solve for x
x = 278,120,081,354,145.91/21,444,236.28 - Step 6: Final answer
x = 12,969,456.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.