Finding the Fourth Proportional to 22,195,528.40, 33,257,863.20 and 18,581,729.60
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Solution
The fourth proportional to 22,195,528.40, 33,257,863.20 and 18,581,729.60 is: 27,842,933.49
Step by Step Solution
- Step 1: Write the proportion equation
22,195,528.40 : 33,257,863.20 = 18,581,729.60 : x - Step 2: Convert to fraction form
22,195,528.40/33,257,863.20 = 18,581,729.60/x - Step 3: Cross multiply
22,195,528.40x = 33,257,863.20 × 18,581,729.60 - Step 4: Simplify right side
22,195,528.40x = 617,988,621,056,190.75 - Step 5: Solve for x
x = 617,988,621,056,190.75/22,195,528.40 - Step 6: Final answer
x = 27,842,933.49
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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.