Finding the Fourth Proportional to 7,711,229.16, 10,641,315.16 and 4,273,396.38
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Solution
The fourth proportional to 7,711,229.16, 10,641,315.16 and 4,273,396.38 is: 5,897,186.65
Step by Step Solution
- Step 1: Write the proportion equation
7,711,229.16 : 10,641,315.16 = 4,273,396.38 : x - Step 2: Convert to fraction form
7,711,229.16/10,641,315.16 = 4,273,396.38/x - Step 3: Cross multiply
7,711,229.16x = 10,641,315.16 × 4,273,396.38 - Step 4: Simplify right side
7,711,229.16x = 45,474,557,683,183.12 - Step 5: Solve for x
x = 45,474,557,683,183.12/7,711,229.16 - Step 6: Final answer
x = 5,897,186.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.