Finding the Fourth Proportional to 7,705,992.92, 11,542,904.29 and 4,622,203.88
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Solution
The fourth proportional to 7,705,992.92, 11,542,904.29 and 4,622,203.88 is: 6,923,657.67
Step by Step Solution
- Step 1: Write the proportion equation
7,705,992.92 : 11,542,904.29 = 4,622,203.88 : x - Step 2: Convert to fraction form
7,705,992.92/11,542,904.29 = 4,622,203.88/x - Step 3: Cross multiply
7,705,992.92x = 11,542,904.29 × 4,622,203.88 - Step 4: Simplify right side
7,705,992.92x = 53,353,656,995,706.64 - Step 5: Solve for x
x = 53,353,656,995,706.64/7,705,992.92 - Step 6: Final answer
x = 6,923,657.67
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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.