Finding the Fourth Proportional to 11,820,382.02, 16,311,424.14 and 6,858,440.28
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Solution
The fourth proportional to 11,820,382.02, 16,311,424.14 and 6,858,440.28 is: 9,464,239.66
Step by Step Solution
- Step 1: Write the proportion equation
11,820,382.02 : 16,311,424.14 = 6,858,440.28 : x - Step 2: Convert to fraction form
11,820,382.02/16,311,424.14 = 6,858,440.28/x - Step 3: Cross multiply
11,820,382.02x = 16,311,424.14 × 6,858,440.28 - Step 4: Simplify right side
11,820,382.02x = 111,870,928,345,940.38 - Step 5: Solve for x
x = 111,870,928,345,940.38/11,820,382.02 - Step 6: Final answer
x = 9,464,239.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.