Finding the Fourth Proportional to 21,879,183.60, 32,848,324.20 and 12,790,594.80
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Solution
The fourth proportional to 21,879,183.60, 32,848,324.20 and 12,790,594.80 is: 19,203,166.46
Step by Step Solution
- Step 1: Write the proportion equation
21,879,183.60 : 32,848,324.20 = 12,790,594.80 : x - Step 2: Convert to fraction form
21,879,183.60/32,848,324.20 = 12,790,594.80/x - Step 3: Cross multiply
21,879,183.60x = 32,848,324.20 × 12,790,594.80 - Step 4: Simplify right side
21,879,183.60x = 420,149,604,701,234.19 - Step 5: Solve for x
x = 420,149,604,701,234.19/21,879,183.60 - Step 6: Final answer
x = 19,203,166.46
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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.