Finding the Fourth Proportional to 18,467,488.08, 27,702,624.51 and 5,512,615.38
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Solution
The fourth proportional to 18,467,488.08, 27,702,624.51 and 5,512,615.38 is: 8,269,338.70
Step by Step Solution
- Step 1: Write the proportion equation
18,467,488.08 : 27,702,624.51 = 5,512,615.38 : x - Step 2: Convert to fraction form
18,467,488.08/27,702,624.51 = 5,512,615.38/x - Step 3: Cross multiply
18,467,488.08x = 27,702,624.51 × 5,512,615.38 - Step 4: Simplify right side
18,467,488.08x = 152,713,913,940,190.97 - Step 5: Solve for x
x = 152,713,913,940,190.97/18,467,488.08 - Step 6: Final answer
x = 8,269,338.70
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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.