Finding the Fourth Proportional to 18,415,968.38, 27,616,352.07 and 6,286,409.85
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Solution
The fourth proportional to 18,415,968.38, 27,616,352.07 and 6,286,409.85 is: 9,427,020.29
Step by Step Solution
- Step 1: Write the proportion equation
18,415,968.38 : 27,616,352.07 = 6,286,409.85 : x - Step 2: Convert to fraction form
18,415,968.38/27,616,352.07 = 6,286,409.85/x - Step 3: Cross multiply
18,415,968.38x = 27,616,352.07 × 6,286,409.85 - Step 4: Simplify right side
18,415,968.38x = 173,607,707,610,348.19 - Step 5: Solve for x
x = 173,607,707,610,348.19/18,415,968.38 - Step 6: Final answer
x = 9,427,020.29
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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.