Finding the Fourth Proportional to 17,508,754.80, 26,211,810.60 and 12,469,906.80
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Solution
The fourth proportional to 17,508,754.80, 26,211,810.60 and 12,469,906.80 is: 18,668,308.45
Step by Step Solution
- Step 1: Write the proportion equation
17,508,754.80 : 26,211,810.60 = 12,469,906.80 : x - Step 2: Convert to fraction form
17,508,754.80/26,211,810.60 = 12,469,906.80/x - Step 3: Cross multiply
17,508,754.80x = 26,211,810.60 × 12,469,906.80 - Step 4: Simplify right side
17,508,754.80x = 326,858,835,241,252.12 - Step 5: Solve for x
x = 326,858,835,241,252.12/17,508,754.80 - Step 6: Final answer
x = 18,668,308.45
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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.