Finding the Fourth Proportional to 36,378,720.70, 54,568,081.05 and 18,185,723.80
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Solution
The fourth proportional to 36,378,720.70, 54,568,081.05 and 18,185,723.80 is: 27,278,585.70
Step by Step Solution
- Step 1: Write the proportion equation
36,378,720.70 : 54,568,081.05 = 18,185,723.80 : x - Step 2: Convert to fraction form
36,378,720.70/54,568,081.05 = 18,185,723.80/x - Step 3: Cross multiply
36,378,720.70x = 54,568,081.05 × 18,185,723.80 - Step 4: Simplify right side
36,378,720.70x = 992,360,050,271,314 - Step 5: Solve for x
x = 992,360,050,271,314/36,378,720.70 - Step 6: Final answer
x = 27,278,585.70
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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.