Finding the Fourth Proportional to 13,082,731.37, 19,622,551.56 and 3,498,852.68
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Solution
The fourth proportional to 13,082,731.37, 19,622,551.56 and 3,498,852.68 is: 5,247,865.69
Step by Step Solution
- Step 1: Write the proportion equation
13,082,731.37 : 19,622,551.56 = 3,498,852.68 : x - Step 2: Convert to fraction form
13,082,731.37/19,622,551.56 = 3,498,852.68/x - Step 3: Cross multiply
13,082,731.37x = 19,622,551.56 × 3,498,852.68 - Step 4: Simplify right side
13,082,731.37x = 68,656,417,114,144.18 - Step 5: Solve for x
x = 68,656,417,114,144.18/13,082,731.37 - Step 6: Final answer
x = 5,247,865.69
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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.