Finding the Fourth Proportional to 6,954,311.70, 10,431,467.55 and 3,595,079.70
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Solution
The fourth proportional to 6,954,311.70, 10,431,467.55 and 3,595,079.70 is: 5,392,619.55
Step by Step Solution
- Step 1: Write the proportion equation
6,954,311.70 : 10,431,467.55 = 3,595,079.70 : x - Step 2: Convert to fraction form
6,954,311.70/10,431,467.55 = 3,595,079.70/x - Step 3: Cross multiply
6,954,311.70x = 10,431,467.55 × 3,595,079.70 - Step 4: Simplify right side
6,954,311.70x = 37,501,957,230,213.74 - Step 5: Solve for x
x = 37,501,957,230,213.74/6,954,311.70 - Step 6: Final answer
x = 5,392,619.55
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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.