Finding the Fourth Proportional to 7,872,163.68, 11,809,847.49 and 3,014,125.90
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Solution
The fourth proportional to 7,872,163.68, 11,809,847.49 and 3,014,125.90 is: 4,521,802.22
Step by Step Solution
- Step 1: Write the proportion equation
7,872,163.68 : 11,809,847.49 = 3,014,125.90 : x - Step 2: Convert to fraction form
7,872,163.68/11,809,847.49 = 3,014,125.90/x - Step 3: Cross multiply
7,872,163.68x = 11,809,847.49 × 3,014,125.90 - Step 4: Simplify right side
7,872,163.68x = 35,596,367,194,658.99 - Step 5: Solve for x
x = 35,596,367,194,658.99/7,872,163.68 - Step 6: Final answer
x = 4,521,802.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.