Finding the Fourth Proportional to 18,264,614.12, 27,400,847.52 and 5,310,989.88
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Solution
The fourth proportional to 18,264,614.12, 27,400,847.52 and 5,310,989.88 is: 7,967,626.52
Step by Step Solution
- Step 1: Write the proportion equation
18,264,614.12 : 27,400,847.52 = 5,310,989.88 : x - Step 2: Convert to fraction form
18,264,614.12/27,400,847.52 = 5,310,989.88/x - Step 3: Cross multiply
18,264,614.12x = 27,400,847.52 × 5,310,989.88 - Step 4: Simplify right side
18,264,614.12x = 145,525,623,882,143.09 - Step 5: Solve for x
x = 145,525,623,882,143.09/18,264,614.12 - Step 6: Final answer
x = 7,967,626.52
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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.