Finding the Fourth Proportional to 7,841,556.83, 11,759,097.58 and 3,405,270.05
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Solution
The fourth proportional to 7,841,556.83, 11,759,097.58 and 3,405,270.05 is: 5,106,499.08
Step by Step Solution
- Step 1: Write the proportion equation
7,841,556.83 : 11,759,097.58 = 3,405,270.05 : x - Step 2: Convert to fraction form
7,841,556.83/11,759,097.58 = 3,405,270.05/x - Step 3: Cross multiply
7,841,556.83x = 11,759,097.58 × 3,405,270.05 - Step 4: Simplify right side
7,841,556.83x = 40,042,902,780,989.44 - Step 5: Solve for x
x = 40,042,902,780,989.44/7,841,556.83 - Step 6: Final answer
x = 5,106,499.08
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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.