Finding the Fourth Proportional to 24,427,231.80, 36,640,847.70 and 8,470,879.80
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Solution
The fourth proportional to 24,427,231.80, 36,640,847.70 and 8,470,879.80 is: 12,706,319.70
Step by Step Solution
- Step 1: Write the proportion equation
24,427,231.80 : 36,640,847.70 = 8,470,879.80 : x - Step 2: Convert to fraction form
24,427,231.80/36,640,847.70 = 8,470,879.80/x - Step 3: Cross multiply
24,427,231.80x = 36,640,847.70 × 8,470,879.80 - Step 4: Simplify right side
24,427,231.80x = 310,380,216,636,806.50 - Step 5: Solve for x
x = 310,380,216,636,806.50/24,427,231.80 - Step 6: Final answer
x = 12,706,319.70
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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.