Finding the Fourth Proportional to 53,471,220.10, 80,206,830.15 and 13,081,704.10
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Solution
The fourth proportional to 53,471,220.10, 80,206,830.15 and 13,081,704.10 is: 19,622,556.15
Step by Step Solution
- Step 1: Write the proportion equation
53,471,220.10 : 80,206,830.15 = 13,081,704.10 : x - Step 2: Convert to fraction form
53,471,220.10/80,206,830.15 = 13,081,704.10/x - Step 3: Cross multiply
53,471,220.10x = 80,206,830.15 × 13,081,704.10 - Step 4: Simplify right side
53,471,220.10x = 1,049,242,018,821,258.62 - Step 5: Solve for x
x = 1,049,242,018,821,258.62/53,471,220.10 - Step 6: Final answer
x = 19,622,556.15
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Similar ratio
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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.