Finding the Fourth Proportional to 18,203,487.40, 27,305,231.10 and 16,644,593.80
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Solution
The fourth proportional to 18,203,487.40, 27,305,231.10 and 16,644,593.80 is: 24,966,890.70
Step by Step Solution
- Step 1: Write the proportion equation
18,203,487.40 : 27,305,231.10 = 16,644,593.80 : x - Step 2: Convert to fraction form
18,203,487.40/27,305,231.10 = 16,644,593.80/x - Step 3: Cross multiply
18,203,487.40x = 27,305,231.10 × 16,644,593.80 - Step 4: Simplify right side
18,203,487.40x = 454,484,480,274,627.25 - Step 5: Solve for x
x = 454,484,480,274,627.25/18,203,487.40 - Step 6: Final answer
x = 24,966,890.70
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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.