Finding the Fourth Proportional to 7,923,889.46, 11,859,350.19 and 4,511,259.92
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Solution
The fourth proportional to 7,923,889.46, 11,859,350.19 and 4,511,259.92 is: 6,751,811.90
Step by Step Solution
- Step 1: Write the proportion equation
7,923,889.46 : 11,859,350.19 = 4,511,259.92 : x - Step 2: Convert to fraction form
7,923,889.46/11,859,350.19 = 4,511,259.92/x - Step 3: Cross multiply
7,923,889.46x = 11,859,350.19 × 4,511,259.92 - Step 4: Simplify right side
7,923,889.46x = 53,500,611,166,835.09 - Step 5: Solve for x
x = 53,500,611,166,835.09/7,923,889.46 - Step 6: Final answer
x = 6,751,811.90
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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.