Finding the Fourth Proportional to 11,297,879.39, 15,591,083.61 and 6,141,240.94
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Solution
The fourth proportional to 11,297,879.39, 15,591,083.61 and 6,141,240.94 is: 8,474,917.95
Step by Step Solution
- Step 1: Write the proportion equation
11,297,879.39 : 15,591,083.61 = 6,141,240.94 : x - Step 2: Convert to fraction form
11,297,879.39/15,591,083.61 = 6,141,240.94/x - Step 3: Cross multiply
11,297,879.39x = 15,591,083.61 × 6,141,240.94 - Step 4: Simplify right side
11,297,879.39x = 95,748,600,856,033.36 - Step 5: Solve for x
x = 95,748,600,856,033.36/11,297,879.39 - Step 6: Final answer
x = 8,474,917.95
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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.