Finding the Fourth Proportional to 10,764,349.20, 16,149,634.20 and 3,191,497.20
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Solution
The fourth proportional to 10,764,349.20, 16,149,634.20 and 3,191,497.20 is: 4,788,168.00
Step by Step Solution
- Step 1: Write the proportion equation
10,764,349.20 : 16,149,634.20 = 3,191,497.20 : x - Step 2: Convert to fraction form
10,764,349.20/16,149,634.20 = 3,191,497.20/x - Step 3: Cross multiply
10,764,349.20x = 16,149,634.20 × 3,191,497.20 - Step 4: Simplify right side
10,764,349.20x = 51,541,512,330,324.24 - Step 5: Solve for x
x = 51,541,512,330,324.24/10,764,349.20 - Step 6: Final answer
x = 4,788,168.00
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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.