Finding the Fourth Proportional to 6,112,135.83, 8,431,235.13 and 3,816,310.71
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Solution
The fourth proportional to 6,112,135.83, 8,431,235.13 and 3,816,310.71 is: 5,264,315.75
Step by Step Solution
- Step 1: Write the proportion equation
6,112,135.83 : 8,431,235.13 = 3,816,310.71 : x - Step 2: Convert to fraction form
6,112,135.83/8,431,235.13 = 3,816,310.71/x - Step 3: Cross multiply
6,112,135.83x = 8,431,235.13 × 3,816,310.71 - Step 4: Simplify right side
6,112,135.83x = 32,176,212,925,147.25 - Step 5: Solve for x
x = 32,176,212,925,147.25/6,112,135.83 - Step 6: Final answer
x = 5,264,315.75
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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.