Finding the Fourth Proportional to 21,568,314.70, 32,352,472.05 and 16,749,916.30
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Solution
The fourth proportional to 21,568,314.70, 32,352,472.05 and 16,749,916.30 is: 25,124,874.45
Step by Step Solution
- Step 1: Write the proportion equation
21,568,314.70 : 32,352,472.05 = 16,749,916.30 : x - Step 2: Convert to fraction form
21,568,314.70/32,352,472.05 = 16,749,916.30/x - Step 3: Cross multiply
21,568,314.70x = 32,352,472.05 × 16,749,916.30 - Step 4: Simplify right side
21,568,314.70x = 541,901,198,935,589.44 - Step 5: Solve for x
x = 541,901,198,935,589.44/21,568,314.70 - Step 6: Final answer
x = 25,124,874.45
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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.