Finding the Fourth Proportional to 11,483,857.26, 15,847,576.65 and 6,257,083.05
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Solution
The fourth proportional to 11,483,857.26, 15,847,576.65 and 6,257,083.05 is: 8,634,694.86
Step by Step Solution
- Step 1: Write the proportion equation
11,483,857.26 : 15,847,576.65 = 6,257,083.05 : x - Step 2: Convert to fraction form
11,483,857.26/15,847,576.65 = 6,257,083.05/x - Step 3: Cross multiply
11,483,857.26x = 15,847,576.65 × 6,257,083.05 - Step 4: Simplify right side
11,483,857.26x = 99,159,603,240,290.78 - Step 5: Solve for x
x = 99,159,603,240,290.78/11,483,857.26 - Step 6: Final answer
x = 8,634,694.86
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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.