Finding the Fourth Proportional to 18,444,747.30, 27,674,994.15 and 8,855,189.70
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Solution
The fourth proportional to 18,444,747.30, 27,674,994.15 and 8,855,189.70 is: 13,286,564.42
Step by Step Solution
- Step 1: Write the proportion equation
18,444,747.30 : 27,674,994.15 = 8,855,189.70 : x - Step 2: Convert to fraction form
18,444,747.30/27,674,994.15 = 8,855,189.70/x - Step 3: Cross multiply
18,444,747.30x = 27,674,994.15 × 8,855,189.70 - Step 4: Simplify right side
18,444,747.30x = 245,067,323,144,640.22 - Step 5: Solve for x
x = 245,067,323,144,640.22/18,444,747.30 - Step 6: Final answer
x = 13,286,564.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.