Finding the Fourth Proportional to 7,381,179.15, 11,071,768.73 and 6,796,594.05
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Solution
The fourth proportional to 7,381,179.15, 11,071,768.73 and 6,796,594.05 is: 10,194,891.08
Step by Step Solution
- Step 1: Write the proportion equation
7,381,179.15 : 11,071,768.73 = 6,796,594.05 : x - Step 2: Convert to fraction form
7,381,179.15/11,071,768.73 = 6,796,594.05/x - Step 3: Cross multiply
7,381,179.15x = 11,071,768.73 × 6,796,594.05 - Step 4: Simplify right side
7,381,179.15x = 75,250,317,439,311.08 - Step 5: Solve for x
x = 75,250,317,439,311.08/7,381,179.15 - Step 6: Final answer
x = 10,194,891.08
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1.5x scale
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.