Finding the Fourth Proportional to 11,682,137.25, 16,121,010.02 and 6,455,062.26
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Solution
The fourth proportional to 11,682,137.25, 16,121,010.02 and 6,455,062.26 is: 8,907,798.39
Step by Step Solution
- Step 1: Write the proportion equation
11,682,137.25 : 16,121,010.02 = 6,455,062.26 : x - Step 2: Convert to fraction form
11,682,137.25/16,121,010.02 = 6,455,062.26/x - Step 3: Cross multiply
11,682,137.25x = 16,121,010.02 × 6,455,062.26 - Step 4: Simplify right side
11,682,137.25x = 104,062,123,340,908.53 - Step 5: Solve for x
x = 104,062,123,340,908.53/11,682,137.25 - Step 6: Final answer
x = 8,907,798.39
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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.