Finding the Fourth Proportional to 19,951,082.84, 27,532,800.24 and 11,689,168.44
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Solution
The fourth proportional to 19,951,082.84, 27,532,800.24 and 11,689,168.44 is: 16,131,231.68
Step by Step Solution
- Step 1: Write the proportion equation
19,951,082.84 : 27,532,800.24 = 11,689,168.44 : x - Step 2: Convert to fraction form
19,951,082.84/27,532,800.24 = 11,689,168.44/x - Step 3: Cross multiply
19,951,082.84x = 27,532,800.24 × 11,689,168.44 - Step 4: Simplify right side
19,951,082.84x = 321,835,539,630,232.38 - Step 5: Solve for x
x = 321,835,539,630,232.38/19,951,082.84 - Step 6: Final answer
x = 16,131,231.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.