Finding the Fourth Proportional to 9,084,383.92, 13,585,674.12 and 8,079,413.68
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Solution
The fourth proportional to 9,084,383.92, 13,585,674.12 and 8,079,413.68 is: 12,082,743.56
Step by Step Solution
- Step 1: Write the proportion equation
9,084,383.92 : 13,585,674.12 = 8,079,413.68 : x - Step 2: Convert to fraction form
9,084,383.92/13,585,674.12 = 8,079,413.68/x - Step 3: Cross multiply
9,084,383.92x = 13,585,674.12 × 8,079,413.68 - Step 4: Simplify right side
9,084,383.92x = 109,764,281,337,149.95 - Step 5: Solve for x
x = 109,764,281,337,149.95/9,084,383.92 - Step 6: Final answer
x = 12,082,743.56
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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.