Finding the Fourth Proportional to 8,879,511.09, 13,313,873.12 and 3,481,694.49
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Solution
The fourth proportional to 8,879,511.09, 13,313,873.12 and 3,481,694.49 is: 5,220,426.91
Step by Step Solution
- Step 1: Write the proportion equation
8,879,511.09 : 13,313,873.12 = 3,481,694.49 : x - Step 2: Convert to fraction form
8,879,511.09/13,313,873.12 = 3,481,694.49/x - Step 3: Cross multiply
8,879,511.09x = 13,313,873.12 × 3,481,694.49 - Step 4: Simplify right side
8,879,511.09x = 46,354,838,665,054.64 - Step 5: Solve for x
x = 46,354,838,665,054.64/8,879,511.09 - Step 6: Final answer
x = 5,220,426.91
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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.