Finding the Fourth Proportional to 11,083,343.22, 15,295,273.29 and 6,188,399.82
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Solution
The fourth proportional to 11,083,343.22, 15,295,273.29 and 6,188,399.82 is: 8,540,136.73
Step by Step Solution
- Step 1: Write the proportion equation
11,083,343.22 : 15,295,273.29 = 6,188,399.82 : x - Step 2: Convert to fraction form
11,083,343.22/15,295,273.29 = 6,188,399.82/x - Step 3: Cross multiply
11,083,343.22x = 15,295,273.29 × 6,188,399.82 - Step 4: Simplify right side
11,083,343.22x = 94,653,266,474,686.81 - Step 5: Solve for x
x = 94,653,266,474,686.81/11,083,343.22 - Step 6: Final answer
x = 8,540,136.73
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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.