Finding the Fourth Proportional to 11,174,117.70, 16,761,176.55 and 3,993,759.30
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Solution
The fourth proportional to 11,174,117.70, 16,761,176.55 and 3,993,759.30 is: 5,990,638.95
Step by Step Solution
- Step 1: Write the proportion equation
11,174,117.70 : 16,761,176.55 = 3,993,759.30 : x - Step 2: Convert to fraction form
11,174,117.70/16,761,176.55 = 3,993,759.30/x - Step 3: Cross multiply
11,174,117.70x = 16,761,176.55 × 3,993,759.30 - Step 4: Simplify right side
11,174,117.70x = 66,940,104,725,504.41 - Step 5: Solve for x
x = 66,940,104,725,504.41/11,174,117.70 - Step 6: Final answer
x = 5,990,638.95
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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.