Finding the Fourth Proportional to 7,467,087.12, 11,202,263.70 and 2,418,907.92
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Solution
The fourth proportional to 7,467,087.12, 11,202,263.70 and 2,418,907.92 is: 3,628,890.88
Step by Step Solution
- Step 1: Write the proportion equation
7,467,087.12 : 11,202,263.70 = 2,418,907.92 : x - Step 2: Convert to fraction form
7,467,087.12/11,202,263.70 = 2,418,907.92/x - Step 3: Cross multiply
7,467,087.12x = 11,202,263.70 × 2,418,907.92 - Step 4: Simplify right side
7,467,087.12x = 27,097,244,385,858.50 - Step 5: Solve for x
x = 27,097,244,385,858.50/7,467,087.12 - Step 6: Final answer
x = 3,628,890.88
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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.