Finding the Fourth Proportional to 18,144,583.20, 27,199,160.10 and 16,231,395.60
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Solution
The fourth proportional to 18,144,583.20, 27,199,160.10 and 16,231,395.60 is: 24,331,246.56
Step by Step Solution
- Step 1: Write the proportion equation
18,144,583.20 : 27,199,160.10 = 16,231,395.60 : x - Step 2: Convert to fraction form
18,144,583.20/27,199,160.10 = 16,231,395.60/x - Step 3: Cross multiply
18,144,583.20x = 27,199,160.10 × 16,231,395.60 - Step 4: Simplify right side
18,144,583.20x = 441,480,327,570,835.56 - Step 5: Solve for x
x = 441,480,327,570,835.56/18,144,583.20 - Step 6: Final answer
x = 24,331,246.56
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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.