Finding the Fourth Proportional to 8,045,183.70, 12,067,775.57 and 6,450,860.70
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Solution
The fourth proportional to 8,045,183.70, 12,067,775.57 and 6,450,860.70 is: 9,676,291.06
Step by Step Solution
- Step 1: Write the proportion equation
8,045,183.70 : 12,067,775.57 = 6,450,860.70 : x - Step 2: Convert to fraction form
8,045,183.70/12,067,775.57 = 6,450,860.70/x - Step 3: Cross multiply
8,045,183.70x = 12,067,775.57 × 6,450,860.70 - Step 4: Simplify right side
8,045,183.70x = 77,847,539,128,678.80 - Step 5: Solve for x
x = 77,847,539,128,678.80/8,045,183.70 - Step 6: Final answer
x = 9,676,291.06
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1.5x scale
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.