Finding the Fourth Proportional to 18,432,841.14, 27,646,834.14 and 5,478,715.26
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Solution
The fourth proportional to 18,432,841.14, 27,646,834.14 and 5,478,715.26 is: 8,217,351.35
Step by Step Solution
- Step 1: Write the proportion equation
18,432,841.14 : 27,646,834.14 = 5,478,715.26 : x - Step 2: Convert to fraction form
18,432,841.14/27,646,834.14 = 5,478,715.26/x - Step 3: Cross multiply
18,432,841.14x = 27,646,834.14 × 5,478,715.26 - Step 4: Simplify right side
18,432,841.14x = 151,469,132,093,506.97 - Step 5: Solve for x
x = 151,469,132,093,506.97/18,432,841.14 - Step 6: Final answer
x = 8,217,351.35
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1.5x scale
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.