Finding the Fourth Proportional to 8,256,723.24, 11,394,418.92 and 4,535,711.12
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Solution
The fourth proportional to 8,256,723.24, 11,394,418.92 and 4,535,711.12 is: 6,259,358.72
Step by Step Solution
- Step 1: Write the proportion equation
8,256,723.24 : 11,394,418.92 = 4,535,711.12 : x - Step 2: Convert to fraction form
8,256,723.24/11,394,418.92 = 4,535,711.12/x - Step 3: Cross multiply
8,256,723.24x = 11,394,418.92 × 4,535,711.12 - Step 4: Simplify right side
8,256,723.24x = 51,681,792,601,382.39 - Step 5: Solve for x
x = 51,681,792,601,382.39/8,256,723.24 - Step 6: Final answer
x = 6,259,358.72
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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.