Finding the Fourth Proportional to 8,782,718.14, 13,172,745.57 and 2,393,480.26
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Solution
The fourth proportional to 8,782,718.14, 13,172,745.57 and 2,393,480.26 is: 3,589,857.49
Step by Step Solution
- Step 1: Write the proportion equation
8,782,718.14 : 13,172,745.57 = 2,393,480.26 : x - Step 2: Convert to fraction form
8,782,718.14/13,172,745.57 = 2,393,480.26/x - Step 3: Cross multiply
8,782,718.14x = 13,172,745.57 × 2,393,480.26 - Step 4: Simplify right side
8,782,718.14x = 31,528,706,491,797.45 - Step 5: Solve for x
x = 31,528,706,491,797.45/8,782,718.14 - Step 6: Final answer
x = 3,589,857.49
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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.