Finding the Fourth Proportional to 8,356,442.16, 12,535,778.69 and 3,306,571.68
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Solution
The fourth proportional to 8,356,442.16, 12,535,778.69 and 3,306,571.68 is: 4,960,298.89
Step by Step Solution
- Step 1: Write the proportion equation
8,356,442.16 : 12,535,778.69 = 3,306,571.68 : x - Step 2: Convert to fraction form
8,356,442.16/12,535,778.69 = 3,306,571.68/x - Step 3: Cross multiply
8,356,442.16x = 12,535,778.69 × 3,306,571.68 - Step 4: Simplify right side
8,356,442.16x = 41,450,450,786,568.65 - Step 5: Solve for x
x = 41,450,450,786,568.65/8,356,442.16 - Step 6: Final answer
x = 4,960,298.89
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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.