Finding the Fourth Proportional to 11,197,137.51, 16,785,704.37 and 4,372,122.87
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Solution
The fourth proportional to 11,197,137.51, 16,785,704.37 and 4,372,122.87 is: 6,554,278.89
Step by Step Solution
- Step 1: Write the proportion equation
11,197,137.51 : 16,785,704.37 = 4,372,122.87 : x - Step 2: Convert to fraction form
11,197,137.51/16,785,704.37 = 4,372,122.87/x - Step 3: Cross multiply
11,197,137.51x = 16,785,704.37 × 4,372,122.87 - Step 4: Simplify right side
11,197,137.51x = 73,389,161,965,135.95 - Step 5: Solve for x
x = 73,389,161,965,135.95/11,197,137.51 - Step 6: Final answer
x = 6,554,278.89
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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.