Finding the Fourth Proportional to 18,116,235.20, 27,156,638.10 and 16,203,047.60
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Solution
The fourth proportional to 18,116,235.20, 27,156,638.10 and 16,203,047.60 is: 24,288,727.48
Step by Step Solution
- Step 1: Write the proportion equation
18,116,235.20 : 27,156,638.10 = 16,203,047.60 : x - Step 2: Convert to fraction form
18,116,235.20/27,156,638.10 = 16,203,047.60/x - Step 3: Cross multiply
18,116,235.20x = 27,156,638.10 × 16,203,047.60 - Step 4: Simplify right side
18,116,235.20x = 440,020,299,790,273.56 - Step 5: Solve for x
x = 440,020,299,790,273.56/18,116,235.20 - Step 6: Final answer
x = 24,288,727.48
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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.