Finding the Fourth Proportional to 7,344,930.10, 10,136,249.68 and 4,081,882.36
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Solution
The fourth proportional to 7,344,930.10, 10,136,249.68 and 4,081,882.36 is: 5,633,134.45
Step by Step Solution
- Step 1: Write the proportion equation
7,344,930.10 : 10,136,249.68 = 4,081,882.36 : x - Step 2: Convert to fraction form
7,344,930.10/10,136,249.68 = 4,081,882.36/x - Step 3: Cross multiply
7,344,930.10x = 10,136,249.68 × 4,081,882.36 - Step 4: Simplify right side
7,344,930.10x = 41,374,978,765,347.64 - Step 5: Solve for x
x = 41,374,978,765,347.64/7,344,930.10 - Step 6: Final answer
x = 5,633,134.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.