Finding the Fourth Proportional to 7,200,247.84, 10,800,382.24 and 2,940,416.08
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Solution
The fourth proportional to 7,200,247.84, 10,800,382.24 and 2,940,416.08 is: 4,410,628.40
Step by Step Solution
- Step 1: Write the proportion equation
7,200,247.84 : 10,800,382.24 = 2,940,416.08 : x - Step 2: Convert to fraction form
7,200,247.84/10,800,382.24 = 2,940,416.08/x - Step 3: Cross multiply
7,200,247.84x = 10,800,382.24 × 2,940,416.08 - Step 4: Simplify right side
7,200,247.84x = 31,757,617,608,642.42 - Step 5: Solve for x
x = 31,757,617,608,642.42/7,200,247.84 - Step 6: Final answer
x = 4,410,628.40
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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.