Finding the Fourth Proportional to 20,554,676.21, 30,833,432.99 and 5,981,716.23
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Solution
The fourth proportional to 20,554,676.21, 30,833,432.99 and 5,981,716.23 is: 8,972,987.20
Step by Step Solution
- Step 1: Write the proportion equation
20,554,676.21 : 30,833,432.99 = 5,981,716.23 : x - Step 2: Convert to fraction form
20,554,676.21/30,833,432.99 = 5,981,716.23/x - Step 3: Cross multiply
20,554,676.21x = 30,833,432.99 × 5,981,716.23 - Step 4: Simplify right side
20,554,676.21x = 184,436,846,542,900.44 - Step 5: Solve for x
x = 184,436,846,542,900.44/20,554,676.21 - Step 6: Final answer
x = 8,972,987.20
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1.5x scale
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.