Finding the Fourth Proportional to 12,268,761.60, 18,389,318.40 and 5,882,073.60
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Solution
The fourth proportional to 12,268,761.60, 18,389,318.40 and 5,882,073.60 is: 8,816,482.69
Step by Step Solution
- Step 1: Write the proportion equation
12,268,761.60 : 18,389,318.40 = 5,882,073.60 : x - Step 2: Convert to fraction form
12,268,761.60/18,389,318.40 = 5,882,073.60/x - Step 3: Cross multiply
12,268,761.60x = 18,389,318.40 × 5,882,073.60 - Step 4: Simplify right side
12,268,761.60x = 108,167,324,282,634.22 - Step 5: Solve for x
x = 108,167,324,282,634.22/12,268,761.60 - Step 6: Final answer
x = 8,816,482.69
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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.