Finding the Fourth Proportional to 11,807,609.76, 17,717,013.36 and 7,024,747.68
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Solution
The fourth proportional to 11,807,609.76, 17,717,013.36 and 7,024,747.68 is: 10,540,452.39
Step by Step Solution
- Step 1: Write the proportion equation
11,807,609.76 : 17,717,013.36 = 7,024,747.68 : x - Step 2: Convert to fraction form
11,807,609.76/17,717,013.36 = 7,024,747.68/x - Step 3: Cross multiply
11,807,609.76x = 17,717,013.36 × 7,024,747.68 - Step 4: Simplify right side
11,807,609.76x = 124,457,548,497,189 - Step 5: Solve for x
x = 124,457,548,497,189/11,807,609.76 - Step 6: Final answer
x = 10,540,452.39
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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.