Finding the Fourth Proportional to 18,560,550.80, 27,850,974.12 and 7,201,447.76
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Solution
The fourth proportional to 18,560,550.80, 27,850,974.12 and 7,201,447.76 is: 10,806,109.01
Step by Step Solution
- Step 1: Write the proportion equation
18,560,550.80 : 27,850,974.12 = 7,201,447.76 : x - Step 2: Convert to fraction form
18,560,550.80/27,850,974.12 = 7,201,447.76/x - Step 3: Cross multiply
18,560,550.80x = 27,850,974.12 × 7,201,447.76 - Step 4: Simplify right side
18,560,550.80x = 200,567,335,190,291.97 - Step 5: Solve for x
x = 200,567,335,190,291.97/18,560,550.80 - Step 6: Final answer
x = 10,806,109.01
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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.