Finding the Fourth Proportional to 17,530,414.80, 26,295,622.20 and 13,278,886.80
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Solution
The fourth proportional to 17,530,414.80, 26,295,622.20 and 13,278,886.80 is: 19,918,330.20
Step by Step Solution
- Step 1: Write the proportion equation
17,530,414.80 : 26,295,622.20 = 13,278,886.80 : x - Step 2: Convert to fraction form
17,530,414.80/26,295,622.20 = 13,278,886.80/x - Step 3: Cross multiply
17,530,414.80x = 26,295,622.20 × 13,278,886.80 - Step 4: Simplify right side
17,530,414.80x = 349,176,590,529,367 - Step 5: Solve for x
x = 349,176,590,529,367/17,530,414.80 - Step 6: Final answer
x = 19,918,330.20
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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.