Finding the Fourth Proportional to 8,127,938.13, 12,183,372.73 and 2,734,716.18
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Solution
The fourth proportional to 8,127,938.13, 12,183,372.73 and 2,734,716.18 is: 4,099,202.77
Step by Step Solution
- Step 1: Write the proportion equation
8,127,938.13 : 12,183,372.73 = 2,734,716.18 : x - Step 2: Convert to fraction form
8,127,938.13/12,183,372.73 = 2,734,716.18/x - Step 3: Cross multiply
8,127,938.13x = 12,183,372.73 × 2,734,716.18 - Step 4: Simplify right side
8,127,938.13x = 33,318,066,496,893.57 - Step 5: Solve for x
x = 33,318,066,496,893.57/8,127,938.13 - Step 6: Final answer
x = 4,099,202.77
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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.