Finding the Fourth Proportional to 19,925,858.21, 27,496,834.74 and 11,104,840.11
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Solution
The fourth proportional to 19,925,858.21, 27,496,834.74 and 11,104,840.11 is: 15,324,205.87
Step by Step Solution
- Step 1: Write the proportion equation
19,925,858.21 : 27,496,834.74 = 11,104,840.11 : x - Step 2: Convert to fraction form
19,925,858.21/27,496,834.74 = 11,104,840.11/x - Step 3: Cross multiply
19,925,858.21x = 27,496,834.74 × 11,104,840.11 - Step 4: Simplify right side
19,925,858.21x = 305,347,953,318,793.38 - Step 5: Solve for x
x = 305,347,953,318,793.38/19,925,858.21 - Step 6: Final answer
x = 15,324,205.87
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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.