Finding the Fourth Proportional to 6,147,207.70, 8,618,687.90 and 6,147,207.70
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Solution
The fourth proportional to 6,147,207.70, 8,618,687.90 and 6,147,207.70 is: 8,618,687.90
Step by Step Solution
- Step 1: Write the proportion equation
6,147,207.70 : 8,618,687.90 = 6,147,207.70 : x - Step 2: Convert to fraction form
6,147,207.70/8,618,687.90 = 6,147,207.70/x - Step 3: Cross multiply
6,147,207.70x = 8,618,687.90 × 6,147,207.70 - Step 4: Simplify right side
6,147,207.70x = 52,980,864,622,776.84 - Step 5: Solve for x
x = 52,980,864,622,776.84/6,147,207.70 - Step 6: Final answer
x = 8,618,687.90
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.