Finding the Fourth Proportional to 11,198,511.06, 16,782,150.84 and 8,463,813.54
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Solution
The fourth proportional to 11,198,511.06, 16,782,150.84 and 8,463,813.54 is: 12,683,917.96
Step by Step Solution
- Step 1: Write the proportion equation
11,198,511.06 : 16,782,150.84 = 8,463,813.54 : x - Step 2: Convert to fraction form
11,198,511.06/16,782,150.84 = 8,463,813.54/x - Step 3: Cross multiply
11,198,511.06x = 16,782,150.84 × 8,463,813.54 - Step 4: Simplify right side
11,198,511.06x = 142,040,995,509,914.34 - Step 5: Solve for x
x = 142,040,995,509,914.34/11,198,511.06 - Step 6: Final answer
x = 12,683,917.96
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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.