Finding the Fourth Proportional to 18,348,087.20, 27,522,033.60 and 4,701,207.20
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Solution
The fourth proportional to 18,348,087.20, 27,522,033.60 and 4,701,207.20 is: 7,051,785.90
Step by Step Solution
- Step 1: Write the proportion equation
18,348,087.20 : 27,522,033.60 = 4,701,207.20 : x - Step 2: Convert to fraction form
18,348,087.20/27,522,033.60 = 4,701,207.20/x - Step 3: Cross multiply
18,348,087.20x = 27,522,033.60 × 4,701,207.20 - Step 4: Simplify right side
18,348,087.20x = 129,386,782,518,961.94 - Step 5: Solve for x
x = 129,386,782,518,961.94/18,348,087.20 - Step 6: Final answer
x = 7,051,785.90
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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.