Finding the Fourth Proportional to 7,315,121.85, 10,095,095.98 and 4,052,240.19
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Solution
The fourth proportional to 7,315,121.85, 10,095,095.98 and 4,052,240.19 is: 5,592,217.66
Step by Step Solution
- Step 1: Write the proportion equation
7,315,121.85 : 10,095,095.98 = 4,052,240.19 : x - Step 2: Convert to fraction form
7,315,121.85/10,095,095.98 = 4,052,240.19/x - Step 3: Cross multiply
7,315,121.85x = 10,095,095.98 × 4,052,240.19 - Step 4: Simplify right side
7,315,121.85x = 40,907,753,618,738.75 - Step 5: Solve for x
x = 40,907,753,618,738.75/7,315,121.85 - Step 6: Final answer
x = 5,592,217.66
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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.