Finding the Fourth Proportional to 7,775,404.20, 11,662,318.83 and 2,096,202.60
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Solution
The fourth proportional to 7,775,404.20, 11,662,318.83 and 2,096,202.60 is: 3,144,091.60
Step by Step Solution
- Step 1: Write the proportion equation
7,775,404.20 : 11,662,318.83 = 2,096,202.60 : x - Step 2: Convert to fraction form
7,775,404.20/11,662,318.83 = 2,096,202.60/x - Step 3: Cross multiply
7,775,404.20x = 11,662,318.83 × 2,096,202.60 - Step 4: Simplify right side
7,775,404.20x = 24,446,583,053,474.96 - Step 5: Solve for x
x = 24,446,583,053,474.96/7,775,404.20 - Step 6: Final answer
x = 3,144,091.60
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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.