Finding the Fourth Proportional to 18,415,969.38, 27,616,353.57 and 6,286,410.85
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Solution
The fourth proportional to 18,415,969.38, 27,616,353.57 and 6,286,410.85 is: 9,427,021.79
Step by Step Solution
- Step 1: Write the proportion equation
18,415,969.38 : 27,616,353.57 = 6,286,410.85 : x - Step 2: Convert to fraction form
18,415,969.38/27,616,353.57 = 6,286,410.85/x - Step 3: Cross multiply
18,415,969.38x = 27,616,353.57 × 6,286,410.85 - Step 4: Simplify right side
18,415,969.38x = 173,607,744,719,884.22 - Step 5: Solve for x
x = 173,607,744,719,884.22/18,415,969.38 - Step 6: Final answer
x = 9,427,021.79
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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.