Finding the Fourth Proportional to 18,164,927.14, 27,247,390.72 and 12,467,879.62
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Solution
The fourth proportional to 18,164,927.14, 27,247,390.72 and 12,467,879.62 is: 18,701,819.44
Step by Step Solution
- Step 1: Write the proportion equation
18,164,927.14 : 27,247,390.72 = 12,467,879.62 : x - Step 2: Convert to fraction form
18,164,927.14/27,247,390.72 = 12,467,879.62/x - Step 3: Cross multiply
18,164,927.14x = 27,247,390.72 × 12,467,879.62 - Step 4: Simplify right side
18,164,927.14x = 339,717,187,456,065.06 - Step 5: Solve for x
x = 339,717,187,456,065.06/18,164,927.14 - Step 6: Final answer
x = 18,701,819.44
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1.5x scale
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.