Finding the Fourth Proportional to 16,683,880.80, 24,997,827.60 and 8,145,832.80
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Solution
The fourth proportional to 16,683,880.80, 24,997,827.60 and 8,145,832.80 is: 12,205,081.45
Step by Step Solution
- Step 1: Write the proportion equation
16,683,880.80 : 24,997,827.60 = 8,145,832.80 : x - Step 2: Convert to fraction form
16,683,880.80/24,997,827.60 = 8,145,832.80/x - Step 3: Cross multiply
16,683,880.80x = 24,997,827.60 × 8,145,832.80 - Step 4: Simplify right side
16,683,880.80x = 203,628,123,992,825.28 - Step 5: Solve for x
x = 203,628,123,992,825.28/16,683,880.80 - Step 6: Final answer
x = 12,205,081.45
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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.