Finding the Fourth Proportional to 7,476,138.48, 11,216,099.14 and 2,084,789.48
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Solution
The fourth proportional to 7,476,138.48, 11,216,099.14 and 2,084,789.48 is: 3,127,711.66
Step by Step Solution
- Step 1: Write the proportion equation
7,476,138.48 : 11,216,099.14 = 2,084,789.48 : x - Step 2: Convert to fraction form
7,476,138.48/11,216,099.14 = 2,084,789.48/x - Step 3: Cross multiply
7,476,138.48x = 11,216,099.14 × 2,084,789.48 - Step 4: Simplify right side
7,476,138.48x = 23,383,205,493,709.05 - Step 5: Solve for x
x = 23,383,205,493,709.05/7,476,138.48 - Step 6: Final answer
x = 3,127,711.66
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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.