Finding the Fourth Proportional to 11,149,211.40, 16,719,669.90 and 4,416,232.20
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Solution
The fourth proportional to 11,149,211.40, 16,719,669.90 and 4,416,232.20 is: 6,622,705.58
Step by Step Solution
- Step 1: Write the proportion equation
11,149,211.40 : 16,719,669.90 = 4,416,232.20 : x - Step 2: Convert to fraction form
11,149,211.40/16,719,669.90 = 4,416,232.20/x - Step 3: Cross multiply
11,149,211.40x = 16,719,669.90 × 4,416,232.20 - Step 4: Simplify right side
11,149,211.40x = 73,837,944,585,750.78 - Step 5: Solve for x
x = 73,837,944,585,750.78/11,149,211.40 - Step 6: Final answer
x = 6,622,705.58
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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.