Finding the Fourth Proportional to 7,260,893.75, 10,892,523.72 and 2,143,840.91
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Solution
The fourth proportional to 7,260,893.75, 10,892,523.72 and 2,143,840.91 is: 3,216,110.68
Step by Step Solution
- Step 1: Write the proportion equation
7,260,893.75 : 10,892,523.72 = 2,143,840.91 : x - Step 2: Convert to fraction form
7,260,893.75/10,892,523.72 = 2,143,840.91/x - Step 3: Cross multiply
7,260,893.75x = 10,892,523.72 × 2,143,840.91 - Step 4: Simplify right side
7,260,893.75x = 23,351,837,909,618.77 - Step 5: Solve for x
x = 23,351,837,909,618.77/7,260,893.75 - Step 6: Final answer
x = 3,216,110.68
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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.