Finding the Fourth Proportional to 10,757,624.40, 16,136,436.60 and 4,025,163.60
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Solution
The fourth proportional to 10,757,624.40, 16,136,436.60 and 4,025,163.60 is: 6,037,745.40
Step by Step Solution
- Step 1: Write the proportion equation
10,757,624.40 : 16,136,436.60 = 4,025,163.60 : x - Step 2: Convert to fraction form
10,757,624.40/16,136,436.60 = 4,025,163.60/x - Step 3: Cross multiply
10,757,624.40x = 16,136,436.60 × 4,025,163.60 - Step 4: Simplify right side
10,757,624.40x = 64,951,797,236,027.76 - Step 5: Solve for x
x = 64,951,797,236,027.76/10,757,624.40 - Step 6: Final answer
x = 6,037,745.40
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1.5x scale
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.