Finding the Fourth Proportional to 22,107,184.80, 33,160,777.20 and 20,512,861.80
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Solution
The fourth proportional to 22,107,184.80, 33,160,777.20 and 20,512,861.80 is: 30,769,292.70
Step by Step Solution
- Step 1: Write the proportion equation
22,107,184.80 : 33,160,777.20 = 20,512,861.80 : x - Step 2: Convert to fraction form
22,107,184.80/33,160,777.20 = 20,512,861.80/x - Step 3: Cross multiply
22,107,184.80x = 33,160,777.20 × 20,512,861.80 - Step 4: Simplify right side
22,107,184.80x = 680,222,439,884,191 - Step 5: Solve for x
x = 680,222,439,884,191/22,107,184.80 - Step 6: Final answer
x = 30,769,292.70
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1.5x scale
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.