Finding the Fourth Proportional to 20,025,771.24, 27,636,107.68 and 11,325,244.94
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Solution
The fourth proportional to 20,025,771.24, 27,636,107.68 and 11,325,244.94 is: 15,629,145.31
Step by Step Solution
- Step 1: Write the proportion equation
20,025,771.24 : 27,636,107.68 = 11,325,244.94 : x - Step 2: Convert to fraction form
20,025,771.24/27,636,107.68 = 11,325,244.94/x - Step 3: Cross multiply
20,025,771.24x = 27,636,107.68 × 11,325,244.94 - Step 4: Simplify right side
20,025,771.24x = 312,985,688,643,826.56 - Step 5: Solve for x
x = 312,985,688,643,826.56/20,025,771.24 - Step 6: Final answer
x = 15,629,145.31
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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.