Finding the Fourth Proportional to 7,529,917.80, 10,391,351.04 and 4,092,157.92
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Solution
The fourth proportional to 7,529,917.80, 10,391,351.04 and 4,092,157.92 is: 5,647,212.97
Step by Step Solution
- Step 1: Write the proportion equation
7,529,917.80 : 10,391,351.04 = 4,092,157.92 : x - Step 2: Convert to fraction form
7,529,917.80/10,391,351.04 = 4,092,157.92/x - Step 3: Cross multiply
7,529,917.80x = 10,391,351.04 × 4,092,157.92 - Step 4: Simplify right side
7,529,917.80x = 42,523,049,457,836.23 - Step 5: Solve for x
x = 42,523,049,457,836.23/7,529,917.80 - Step 6: Final answer
x = 5,647,212.97
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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.