Finding the Fourth Proportional to 20,023,568.72, 27,633,107.68 and 11,321,554.40
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Solution
The fourth proportional to 20,023,568.72, 27,633,107.68 and 11,321,554.40 is: 15,624,074.62
Step by Step Solution
- Step 1: Write the proportion equation
20,023,568.72 : 27,633,107.68 = 11,321,554.40 : x - Step 2: Convert to fraction form
20,023,568.72/27,633,107.68 = 11,321,554.40/x - Step 3: Cross multiply
20,023,568.72x = 27,633,107.68 × 11,321,554.40 - Step 4: Simplify right side
20,023,568.72x = 312,849,731,840,177.81 - Step 5: Solve for x
x = 312,849,731,840,177.81/20,023,568.72 - Step 6: Final answer
x = 15,624,074.62
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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.