Finding the Fourth Proportional to 11,247,640.87, 15,517,349.92 and 6,537,253.69
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Solution
The fourth proportional to 11,247,640.87, 15,517,349.92 and 6,537,253.69 is: 9,018,855.97
Step by Step Solution
- Step 1: Write the proportion equation
11,247,640.87 : 15,517,349.92 = 6,537,253.69 : x - Step 2: Convert to fraction form
11,247,640.87/15,517,349.92 = 6,537,253.69/x - Step 3: Cross multiply
11,247,640.87x = 15,517,349.92 × 6,537,253.69 - Step 4: Simplify right side
11,247,640.87x = 101,440,853,023,541.20 - Step 5: Solve for x
x = 101,440,853,023,541.20/11,247,640.87 - Step 6: Final answer
x = 9,018,855.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.