Finding the Fourth Proportional to 18,563,465.80, 27,845,198.70 and 13,524,617.80
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Solution
The fourth proportional to 18,563,465.80, 27,845,198.70 and 13,524,617.80 is: 20,286,926.70
Step by Step Solution
- Step 1: Write the proportion equation
18,563,465.80 : 27,845,198.70 = 13,524,617.80 : x - Step 2: Convert to fraction form
18,563,465.80/27,845,198.70 = 13,524,617.80/x - Step 3: Cross multiply
18,563,465.80x = 27,845,198.70 × 13,524,617.80 - Step 4: Simplify right side
18,563,465.80x = 376,595,669,982,556.88 - Step 5: Solve for x
x = 376,595,669,982,556.88/18,563,465.80 - Step 6: Final answer
x = 20,286,926.70
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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.