Finding the Fourth Proportional to 55,083,711.42, 82,622,578.68 and 16,742,236.05
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Solution
The fourth proportional to 55,083,711.42, 82,622,578.68 and 16,742,236.05 is: 25,112,445.76
Step by Step Solution
- Step 1: Write the proportion equation
55,083,711.42 : 82,622,578.68 = 16,742,236.05 : x - Step 2: Convert to fraction form
55,083,711.42/82,622,578.68 = 16,742,236.05/x - Step 3: Cross multiply
55,083,711.42x = 82,622,578.68 × 16,742,236.05 - Step 4: Simplify right side
55,083,711.42x = 1,383,286,715,320,257.50 - Step 5: Solve for x
x = 1,383,286,715,320,257.50/55,083,711.42 - Step 6: Final answer
x = 25,112,445.76
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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.