Finding the Fourth Proportional to 7,966,396.14, 11,949,601.41 and 3,414,490.98
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Solution
The fourth proportional to 7,966,396.14, 11,949,601.41 and 3,414,490.98 is: 5,121,739.56
Step by Step Solution
- Step 1: Write the proportion equation
7,966,396.14 : 11,949,601.41 = 3,414,490.98 : x - Step 2: Convert to fraction form
7,966,396.14/11,949,601.41 = 3,414,490.98/x - Step 3: Cross multiply
7,966,396.14x = 11,949,601.41 × 3,414,490.98 - Step 4: Simplify right side
7,966,396.14x = 40,801,806,229,040.28 - Step 5: Solve for x
x = 40,801,806,229,040.28/7,966,396.14 - Step 6: Final answer
x = 5,121,739.56
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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.