Finding the Fourth Proportional to 18,958,183.08, 28,420,204.08 and 6,819,113.88
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Solution
The fourth proportional to 18,958,183.08, 28,420,204.08 and 6,819,113.88 is: 10,222,530.68
Step by Step Solution
- Step 1: Write the proportion equation
18,958,183.08 : 28,420,204.08 = 6,819,113.88 : x - Step 2: Convert to fraction form
18,958,183.08/28,420,204.08 = 6,819,113.88/x - Step 3: Cross multiply
18,958,183.08x = 28,420,204.08 × 6,819,113.88 - Step 4: Simplify right side
18,958,183.08x = 193,800,608,114,360.62 - Step 5: Solve for x
x = 193,800,608,114,360.62/18,958,183.08 - Step 6: Final answer
x = 10,222,530.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.