Finding the Fourth Proportional to 10,419,125.20, 14,373,812.62 and 6,286,851.44
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Solution
The fourth proportional to 10,419,125.20, 14,373,812.62 and 6,286,851.44 is: 8,673,091.34
Step by Step Solution
- Step 1: Write the proportion equation
10,419,125.20 : 14,373,812.62 = 6,286,851.44 : x - Step 2: Convert to fraction form
10,419,125.20/14,373,812.62 = 6,286,851.44/x - Step 3: Cross multiply
10,419,125.20x = 14,373,812.62 × 6,286,851.44 - Step 4: Simplify right side
10,419,125.20x = 90,366,024,568,337.17 - Step 5: Solve for x
x = 90,366,024,568,337.17/10,419,125.20 - Step 6: Final answer
x = 8,673,091.34
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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.