Finding the Fourth Proportional to 22,361,446.20, 33,542,169.30 and 13,291,519.80
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Solution
The fourth proportional to 22,361,446.20, 33,542,169.30 and 13,291,519.80 is: 19,937,279.70
Step by Step Solution
- Step 1: Write the proportion equation
22,361,446.20 : 33,542,169.30 = 13,291,519.80 : x - Step 2: Convert to fraction form
22,361,446.20/33,542,169.30 = 13,291,519.80/x - Step 3: Cross multiply
22,361,446.20x = 33,542,169.30 × 13,291,519.80 - Step 4: Simplify right side
22,361,446.20x = 445,826,407,385,902.19 - Step 5: Solve for x
x = 445,826,407,385,902.19/22,361,446.20 - Step 6: Final answer
x = 19,937,279.70
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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.