Finding the Fourth Proportional to 6,925,034.16, 10,387,728.63 and 3,280,910.99
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Solution
The fourth proportional to 6,925,034.16, 10,387,728.63 and 3,280,910.99 is: 4,921,450.52
Step by Step Solution
- Step 1: Write the proportion equation
6,925,034.16 : 10,387,728.63 = 3,280,910.99 : x - Step 2: Convert to fraction form
6,925,034.16/10,387,728.63 = 3,280,910.99/x - Step 3: Cross multiply
6,925,034.16x = 10,387,728.63 × 3,280,910.99 - Step 4: Simplify right side
6,925,034.16x = 34,081,212,971,366 - Step 5: Solve for x
x = 34,081,212,971,366/6,925,034.16 - Step 6: Final answer
x = 4,921,450.52
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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.