Finding the Fourth Proportional to 12,262,717.74, 18,382,639.41 and 4,170,163.26
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Solution
The fourth proportional to 12,262,717.74, 18,382,639.41 and 4,170,163.26 is: 6,251,355.46
Step by Step Solution
- Step 1: Write the proportion equation
12,262,717.74 : 18,382,639.41 = 4,170,163.26 : x - Step 2: Convert to fraction form
12,262,717.74/18,382,639.41 = 4,170,163.26/x - Step 3: Cross multiply
12,262,717.74x = 18,382,639.41 × 4,170,163.26 - Step 4: Simplify right side
12,262,717.74x = 76,658,607,489,410.08 - Step 5: Solve for x
x = 76,658,607,489,410.08/12,262,717.74 - Step 6: Final answer
x = 6,251,355.46
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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.