Finding the Fourth Proportional to 7,093,588.50, 9,789,163.47 and 4,037,803.02
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Solution
The fourth proportional to 7,093,588.50, 9,789,163.47 and 4,037,803.02 is: 5,572,174.62
Step by Step Solution
- Step 1: Write the proportion equation
7,093,588.50 : 9,789,163.47 = 4,037,803.02 : x - Step 2: Convert to fraction form
7,093,588.50/9,789,163.47 = 4,037,803.02/x - Step 3: Cross multiply
7,093,588.50x = 9,789,163.47 × 4,037,803.02 - Step 4: Simplify right side
7,093,588.50x = 39,526,713,822,439.68 - Step 5: Solve for x
x = 39,526,713,822,439.68/7,093,588.50 - Step 6: Final answer
x = 5,572,174.62
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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.