Finding the Fourth Proportional to 7,585,851.20, 11,380,415.20 and 2,267,604.80
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Solution
The fourth proportional to 7,585,851.20, 11,380,415.20 and 2,267,604.80 is: 3,401,896.96
Step by Step Solution
- Step 1: Write the proportion equation
7,585,851.20 : 11,380,415.20 = 2,267,604.80 : x - Step 2: Convert to fraction form
7,585,851.20/11,380,415.20 = 2,267,604.80/x - Step 3: Cross multiply
7,585,851.20x = 11,380,415.20 × 2,267,604.80 - Step 4: Simplify right side
7,585,851.20x = 25,806,284,133,512.96 - Step 5: Solve for x
x = 25,806,284,133,512.96/7,585,851.20 - Step 6: Final answer
x = 3,401,896.96
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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.