Finding the Fourth Proportional to 12,229,246.80, 18,339,204.60 and 3,706,750.80
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Solution
The fourth proportional to 12,229,246.80, 18,339,204.60 and 3,706,750.80 is: 5,558,712.03
Step by Step Solution
- Step 1: Write the proportion equation
12,229,246.80 : 18,339,204.60 = 3,706,750.80 : x - Step 2: Convert to fraction form
12,229,246.80/18,339,204.60 = 3,706,750.80/x - Step 3: Cross multiply
12,229,246.80x = 18,339,204.60 × 3,706,750.80 - Step 4: Simplify right side
12,229,246.80x = 67,978,861,322,413.68 - Step 5: Solve for x
x = 67,978,861,322,413.68/12,229,246.80 - Step 6: Final answer
x = 5,558,712.03
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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.