Finding the Fourth Proportional to 18,444,745.30, 27,674,991.15 and 8,855,187.70
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Solution
The fourth proportional to 18,444,745.30, 27,674,991.15 and 8,855,187.70 is: 13,286,561.42
Step by Step Solution
- Step 1: Write the proportion equation
18,444,745.30 : 27,674,991.15 = 8,855,187.70 : x - Step 2: Convert to fraction form
18,444,745.30/27,674,991.15 = 8,855,187.70/x - Step 3: Cross multiply
18,444,745.30x = 27,674,991.15 × 8,855,187.70 - Step 4: Simplify right side
18,444,745.30x = 245,067,241,229,088.81 - Step 5: Solve for x
x = 245,067,241,229,088.81/18,444,745.30 - Step 6: Final answer
x = 13,286,561.42
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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.