Finding the Fourth Proportional to 13,703,958.14, 20,533,512.20 and 8,296,217.91
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Solution
The fourth proportional to 13,703,958.14, 20,533,512.20 and 8,296,217.91 is: 12,430,751.02
Step by Step Solution
- Step 1: Write the proportion equation
13,703,958.14 : 20,533,512.20 = 8,296,217.91 : x - Step 2: Convert to fraction form
13,703,958.14/20,533,512.20 = 8,296,217.91/x - Step 3: Cross multiply
13,703,958.14x = 20,533,512.20 × 8,296,217.91 - Step 4: Simplify right side
13,703,958.14x = 170,350,491,627,362.41 - Step 5: Solve for x
x = 170,350,491,627,362.41/13,703,958.14 - Step 6: Final answer
x = 12,430,751.02
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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.