Finding the Fourth Proportional to 7,465,121.40, 11,179,745.92 and 4,260,532.17
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Solution
The fourth proportional to 7,465,121.40, 11,179,745.92 and 4,260,532.17 is: 6,380,561.63
Step by Step Solution
- Step 1: Write the proportion equation
7,465,121.40 : 11,179,745.92 = 4,260,532.17 : x - Step 2: Convert to fraction form
7,465,121.40/11,179,745.92 = 4,260,532.17/x - Step 3: Cross multiply
7,465,121.40x = 11,179,745.92 × 4,260,532.17 - Step 4: Simplify right side
7,465,121.40x = 47,631,667,144,586.24 - Step 5: Solve for x
x = 47,631,667,144,586.24/7,465,121.40 - Step 6: Final answer
x = 6,380,561.63
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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.