Finding the Fourth Proportional to 6,135,793.40, 8,467,420.53 and 3,382,420.42
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Solution
The fourth proportional to 6,135,793.40, 8,467,420.53 and 3,382,420.42 is: 4,667,754.31
Step by Step Solution
- Step 1: Write the proportion equation
6,135,793.40 : 8,467,420.53 = 3,382,420.42 : x - Step 2: Convert to fraction form
6,135,793.40/8,467,420.53 = 3,382,420.42/x - Step 3: Cross multiply
6,135,793.40x = 8,467,420.53 × 3,382,420.42 - Step 4: Simplify right side
6,135,793.40x = 28,640,376,096,914.75 - Step 5: Solve for x
x = 28,640,376,096,914.75/6,135,793.40 - Step 6: Final answer
x = 4,667,754.31
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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.