Finding the Fourth Proportional to 10,862,742.19, 16,297,163.75 and 3,186,568.75
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Solution
The fourth proportional to 10,862,742.19, 16,297,163.75 and 3,186,568.75 is: 4,780,747.97
Step by Step Solution
- Step 1: Write the proportion equation
10,862,742.19 : 16,297,163.75 = 3,186,568.75 : x - Step 2: Convert to fraction form
10,862,742.19/16,297,163.75 = 3,186,568.75/x - Step 3: Cross multiply
10,862,742.19x = 16,297,163.75 × 3,186,568.75 - Step 4: Simplify right side
10,862,742.19x = 51,932,032,719,382.81 - Step 5: Solve for x
x = 51,932,032,719,382.81/10,862,742.19 - Step 6: Final answer
x = 4,780,747.97
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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.