Finding the Fourth Proportional to 13,147,841.28, 19,726,245.84 and 7,083,195.12
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Solution
The fourth proportional to 13,147,841.28, 19,726,245.84 and 7,083,195.12 is: 10,627,208.32
Step by Step Solution
- Step 1: Write the proportion equation
13,147,841.28 : 19,726,245.84 = 7,083,195.12 : x - Step 2: Convert to fraction form
13,147,841.28/19,726,245.84 = 7,083,195.12/x - Step 3: Cross multiply
13,147,841.28x = 19,726,245.84 × 7,083,195.12 - Step 4: Simplify right side
13,147,841.28x = 139,724,848,269,808.30 - Step 5: Solve for x
x = 139,724,848,269,808.30/13,147,841.28 - Step 6: Final answer
x = 10,627,208.32
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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.