Finding the Fourth Proportional to 16,280,936.99, 22,467,737.25 and 8,939,245.66
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Solution
The fourth proportional to 16,280,936.99, 22,467,737.25 and 8,939,245.66 is: 12,336,183.28
Step by Step Solution
- Step 1: Write the proportion equation
16,280,936.99 : 22,467,737.25 = 8,939,245.66 : x - Step 2: Convert to fraction form
16,280,936.99/22,467,737.25 = 8,939,245.66/x - Step 3: Cross multiply
16,280,936.99x = 22,467,737.25 × 8,939,245.66 - Step 4: Simplify right side
16,280,936.99x = 200,844,622,668,261.62 - Step 5: Solve for x
x = 200,844,622,668,261.62/16,280,936.99 - Step 6: Final answer
x = 12,336,183.28
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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.