Finding the Fourth Proportional to 12,864,491.64, 19,297,163.70 and 6,471,260.28
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Solution
The fourth proportional to 12,864,491.64, 19,297,163.70 and 6,471,260.28 is: 9,707,104.83
Step by Step Solution
- Step 1: Write the proportion equation
12,864,491.64 : 19,297,163.70 = 6,471,260.28 : x - Step 2: Convert to fraction form
12,864,491.64/19,297,163.70 = 6,471,260.28/x - Step 3: Cross multiply
12,864,491.64x = 19,297,163.70 × 6,471,260.28 - Step 4: Simplify right side
12,864,491.64x = 124,876,968,968,467.84 - Step 5: Solve for x
x = 124,876,968,968,467.84/12,864,491.64 - Step 6: Final answer
x = 9,707,104.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.