Finding the Fourth Proportional to 11,971,993.28, 17,960,643.52 and 3,451,664.96
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Solution
The fourth proportional to 11,971,993.28, 17,960,643.52 and 3,451,664.96 is: 5,178,262.50
Step by Step Solution
- Step 1: Write the proportion equation
11,971,993.28 : 17,960,643.52 = 3,451,664.96 : x - Step 2: Convert to fraction form
11,971,993.28/17,960,643.52 = 3,451,664.96/x - Step 3: Cross multiply
11,971,993.28x = 17,960,643.52 × 3,451,664.96 - Step 4: Simplify right side
11,971,993.28x = 61,994,123,897,035.05 - Step 5: Solve for x
x = 61,994,123,897,035.05/11,971,993.28 - Step 6: Final answer
x = 5,178,262.50
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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.