Finding the Fourth Proportional to 11,193,639.20, 16,762,465.20 and 8,954,151.20
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Solution
The fourth proportional to 11,193,639.20, 16,762,465.20 and 8,954,151.20 is: 13,408,833.82
Step by Step Solution
- Step 1: Write the proportion equation
11,193,639.20 : 16,762,465.20 = 8,954,151.20 : x - Step 2: Convert to fraction form
11,193,639.20/16,762,465.20 = 8,954,151.20/x - Step 3: Cross multiply
11,193,639.20x = 16,762,465.20 × 8,954,151.20 - Step 4: Simplify right side
11,193,639.20x = 150,093,647,885,538.22 - Step 5: Solve for x
x = 150,093,647,885,538.22/11,193,639.20 - Step 6: Final answer
x = 13,408,833.82
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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.