Finding the Fourth Proportional to 12,795,716.07, 19,193,574.17 and 4,276,052.54
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Solution
The fourth proportional to 12,795,716.07, 19,193,574.17 and 4,276,052.54 is: 6,414,078.83
Step by Step Solution
- Step 1: Write the proportion equation
12,795,716.07 : 19,193,574.17 = 4,276,052.54 : x - Step 2: Convert to fraction form
12,795,716.07/19,193,574.17 = 4,276,052.54/x - Step 3: Cross multiply
12,795,716.07x = 19,193,574.17 × 4,276,052.54 - Step 4: Simplify right side
12,795,716.07x = 82,072,731,568,005.06 - Step 5: Solve for x
x = 82,072,731,568,005.06/12,795,716.07 - Step 6: Final answer
x = 6,414,078.83
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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.