Finding the Fourth Proportional to 16,489,321.80, 24,733,982.70 and 12,237,793.80
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Solution
The fourth proportional to 16,489,321.80, 24,733,982.70 and 12,237,793.80 is: 18,356,690.70
Step by Step Solution
- Step 1: Write the proportion equation
16,489,321.80 : 24,733,982.70 = 12,237,793.80 : x - Step 2: Convert to fraction form
16,489,321.80/24,733,982.70 = 12,237,793.80/x - Step 3: Cross multiply
16,489,321.80x = 24,733,982.70 × 12,237,793.80 - Step 4: Simplify right side
16,489,321.80x = 302,689,380,135,367.25 - Step 5: Solve for x
x = 302,689,380,135,367.25/16,489,321.80 - Step 6: Final answer
x = 18,356,690.70
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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.