Finding the Fourth Proportional to 13,733,406.87, 20,603,937.35 and 11,198,558.19
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Solution
The fourth proportional to 13,733,406.87, 20,603,937.35 and 11,198,558.19 is: 16,800,957.95
Step by Step Solution
- Step 1: Write the proportion equation
13,733,406.87 : 20,603,937.35 = 11,198,558.19 : x - Step 2: Convert to fraction form
13,733,406.87/20,603,937.35 = 11,198,558.19/x - Step 3: Cross multiply
13,733,406.87x = 20,603,937.35 × 11,198,558.19 - Step 4: Simplify right side
13,733,406.87x = 230,734,391,301,096.59 - Step 5: Solve for x
x = 230,734,391,301,096.59/13,733,406.87 - Step 6: Final answer
x = 16,800,957.95
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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.