Finding the Fourth Proportional to 41,568,137.80, 62,352,206.70 and 18,893,321.80
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Solution
The fourth proportional to 41,568,137.80, 62,352,206.70 and 18,893,321.80 is: 28,339,982.70
Step by Step Solution
- Step 1: Write the proportion equation
41,568,137.80 : 62,352,206.70 = 18,893,321.80 : x - Step 2: Convert to fraction form
41,568,137.80/62,352,206.70 = 18,893,321.80/x - Step 3: Cross multiply
41,568,137.80x = 62,352,206.70 × 18,893,321.80 - Step 4: Simplify right side
41,568,137.80x = 1,178,040,306,123,216.25 - Step 5: Solve for x
x = 1,178,040,306,123,216.25/41,568,137.80 - Step 6: Final answer
x = 28,339,982.70
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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.