Finding the Fourth Proportional to 19,625,865.40, 27,083,695.50 and 10,923,850.68
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Solution
The fourth proportional to 19,625,865.40, 27,083,695.50 and 10,923,850.68 is: 15,074,914.63
Step by Step Solution
- Step 1: Write the proportion equation
19,625,865.40 : 27,083,695.50 = 10,923,850.68 : x - Step 2: Convert to fraction form
19,625,865.40/27,083,695.50 = 10,923,850.68/x - Step 3: Cross multiply
19,625,865.40x = 27,083,695.50 × 10,923,850.68 - Step 4: Simplify right side
19,625,865.40x = 295,858,245,504,587.94 - Step 5: Solve for x
x = 295,858,245,504,587.94/19,625,865.40 - Step 6: Final answer
x = 15,074,914.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.