Finding the Fourth Proportional to 28,331,880.12, 39,096,839.70 and 16,733,198.52
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Solution
The fourth proportional to 28,331,880.12, 39,096,839.70 and 16,733,198.52 is: 23,091,131.88
Step by Step Solution
- Step 1: Write the proportion equation
28,331,880.12 : 39,096,839.70 = 16,733,198.52 : x - Step 2: Convert to fraction form
28,331,880.12/39,096,839.70 = 16,733,198.52/x - Step 3: Cross multiply
28,331,880.12x = 39,096,839.70 × 16,733,198.52 - Step 4: Simplify right side
28,331,880.12x = 654,215,180,204,717.25 - Step 5: Solve for x
x = 654,215,180,204,717.25/28,331,880.12 - Step 6: Final answer
x = 23,091,131.88
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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.