Finding the Fourth Proportional to 16,102,728.28, 22,221,817.86 and 8,760,559.24
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Solution
The fourth proportional to 16,102,728.28, 22,221,817.86 and 8,760,559.24 is: 12,089,600.49
Step by Step Solution
- Step 1: Write the proportion equation
16,102,728.28 : 22,221,817.86 = 8,760,559.24 : x - Step 2: Convert to fraction form
16,102,728.28/22,221,817.86 = 8,760,559.24/x - Step 3: Cross multiply
16,102,728.28x = 22,221,817.86 × 8,760,559.24 - Step 4: Simplify right side
16,102,728.28x = 194,675,551,783,020.03 - Step 5: Solve for x
x = 194,675,551,783,020.03/16,102,728.28 - Step 6: Final answer
x = 12,089,600.49
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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.