Finding the Fourth Proportional to 7,378,108.20, 11,052,340.56 and 3,673,972.49
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Solution
The fourth proportional to 7,378,108.20, 11,052,340.56 and 3,673,972.49 is: 5,503,578.15
Step by Step Solution
- Step 1: Write the proportion equation
7,378,108.20 : 11,052,340.56 = 3,673,972.49 : x - Step 2: Convert to fraction form
7,378,108.20/11,052,340.56 = 3,673,972.49/x - Step 3: Cross multiply
7,378,108.20x = 11,052,340.56 × 3,673,972.49 - Step 4: Simplify right side
7,378,108.20x = 40,605,995,112,289.49 - Step 5: Solve for x
x = 40,605,995,112,289.49/7,378,108.20 - Step 6: Final answer
x = 5,503,578.15
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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.