Finding the Fourth Proportional to 7,406,349.18, 11,107,249.38 and 2,612,917.44
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Solution
The fourth proportional to 7,406,349.18, 11,107,249.38 and 2,612,917.44 is: 3,918,573.77
Step by Step Solution
- Step 1: Write the proportion equation
7,406,349.18 : 11,107,249.38 = 2,612,917.44 : x - Step 2: Convert to fraction form
7,406,349.18/11,107,249.38 = 2,612,917.44/x - Step 3: Cross multiply
7,406,349.18x = 11,107,249.38 × 2,612,917.44 - Step 4: Simplify right side
7,406,349.18x = 29,022,325,615,431.19 - Step 5: Solve for x
x = 29,022,325,615,431.19/7,406,349.18 - Step 6: Final answer
x = 3,918,573.77
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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.