Finding the Fourth Proportional to 21,572,757.99, 29,770,229.10 and 11,783,208.33
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Solution
The fourth proportional to 21,572,757.99, 29,770,229.10 and 11,783,208.33 is: 16,260,730.86
Step by Step Solution
- Step 1: Write the proportion equation
21,572,757.99 : 29,770,229.10 = 11,783,208.33 : x - Step 2: Convert to fraction form
21,572,757.99/29,770,229.10 = 11,783,208.33/x - Step 3: Cross multiply
21,572,757.99x = 29,770,229.10 × 11,783,208.33 - Step 4: Simplify right side
21,572,757.99x = 350,788,811,517,128.44 - Step 5: Solve for x
x = 350,788,811,517,128.44/21,572,757.99 - Step 6: Final answer
x = 16,260,730.86
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1.5x scale
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.