Finding the Fourth Proportional to 19,940,231.37, 29,910,347.06 and 4,794,163.41
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Solution
The fourth proportional to 19,940,231.37, 29,910,347.06 and 4,794,163.41 is: 7,191,245.12
Step by Step Solution
- Step 1: Write the proportion equation
19,940,231.37 : 29,910,347.06 = 4,794,163.41 : x - Step 2: Convert to fraction form
19,940,231.37/29,910,347.06 = 4,794,163.41/x - Step 3: Cross multiply
19,940,231.37x = 29,910,347.06 × 4,794,163.41 - Step 4: Simplify right side
19,940,231.37x = 143,395,091,431,482.25 - Step 5: Solve for x
x = 143,395,091,431,482.25/19,940,231.37 - Step 6: Final answer
x = 7,191,245.12
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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.