Finding the Fourth Proportional to 10,135,793.05, 13,987,620.27 and 5,784,792.09
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Solution
The fourth proportional to 10,135,793.05, 13,987,620.27 and 5,784,792.09 is: 7,983,141.99
Step by Step Solution
- Step 1: Write the proportion equation
10,135,793.05 : 13,987,620.27 = 5,784,792.09 : x - Step 2: Convert to fraction form
10,135,793.05/13,987,620.27 = 5,784,792.09/x - Step 3: Cross multiply
10,135,793.05x = 13,987,620.27 × 5,784,792.09 - Step 4: Simplify right side
10,135,793.05x = 80,915,475,095,819.66 - Step 5: Solve for x
x = 80,915,475,095,819.66/10,135,793.05 - Step 6: Final answer
x = 7,983,141.99
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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.