Finding the Fourth Proportional to 11,701,450.55, 16,148,477.67 and 6,474,373.70
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Solution
The fourth proportional to 11,701,450.55, 16,148,477.67 and 6,474,373.70 is: 8,934,899.03
Step by Step Solution
- Step 1: Write the proportion equation
11,701,450.55 : 16,148,477.67 = 6,474,373.70 : x - Step 2: Convert to fraction form
11,701,450.55/16,148,477.67 = 6,474,373.70/x - Step 3: Cross multiply
11,701,450.55x = 16,148,477.67 × 6,474,373.70 - Step 4: Simplify right side
11,701,450.55x = 104,551,279,121,685.28 - Step 5: Solve for x
x = 104,551,279,121,685.28/11,701,450.55 - Step 6: Final answer
x = 8,934,899.03
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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.