Finding the Fourth Proportional to 21,887,250.24, 30,204,525.66 and 11,964,147.96
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Solution
The fourth proportional to 21,887,250.24, 30,204,525.66 and 11,964,147.96 is: 16,510,589.95
Step by Step Solution
- Step 1: Write the proportion equation
21,887,250.24 : 30,204,525.66 = 11,964,147.96 : x - Step 2: Convert to fraction form
21,887,250.24/30,204,525.66 = 11,964,147.96/x - Step 3: Cross multiply
21,887,250.24x = 30,204,525.66 × 11,964,147.96 - Step 4: Simplify right side
21,887,250.24x = 361,371,413,847,013.31 - Step 5: Solve for x
x = 361,371,413,847,013.31/21,887,250.24 - Step 6: Final answer
x = 16,510,589.95
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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.