Finding the Fourth Proportional to 7,383,039.45, 10,189,174.51 and 4,075,990.99
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Solution
The fourth proportional to 7,383,039.45, 10,189,174.51 and 4,075,990.99 is: 5,625,187.81
Step by Step Solution
- Step 1: Write the proportion equation
7,383,039.45 : 10,189,174.51 = 4,075,990.99 : x - Step 2: Convert to fraction form
7,383,039.45/10,189,174.51 = 4,075,990.99/x - Step 3: Cross multiply
7,383,039.45x = 10,189,174.51 × 4,075,990.99 - Step 4: Simplify right side
7,383,039.45x = 41,530,983,477,919.72 - Step 5: Solve for x
x = 41,530,983,477,919.72/7,383,039.45 - Step 6: Final answer
x = 5,625,187.81
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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.