Finding the Fourth Proportional to 7,329,733.16, 10,995,299.34 and 2,279,687.72
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Solution
The fourth proportional to 7,329,733.16, 10,995,299.34 and 2,279,687.72 is: 3,419,749.17
Step by Step Solution
- Step 1: Write the proportion equation
7,329,733.16 : 10,995,299.34 = 2,279,687.72 : x - Step 2: Convert to fraction form
7,329,733.16/10,995,299.34 = 2,279,687.72/x - Step 3: Cross multiply
7,329,733.16x = 10,995,299.34 × 2,279,687.72 - Step 4: Simplify right side
7,329,733.16x = 25,065,848,883,122.11 - Step 5: Solve for x
x = 25,065,848,883,122.11/7,329,733.16 - Step 6: Final answer
x = 3,419,749.17
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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.