Finding the Fourth Proportional to 18,147,879.60, 27,221,115.20 and 4,501,060.08
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Solution
The fourth proportional to 18,147,879.60, 27,221,115.20 and 4,501,060.08 is: 6,751,415.46
Step by Step Solution
- Step 1: Write the proportion equation
18,147,879.60 : 27,221,115.20 = 4,501,060.08 : x - Step 2: Convert to fraction form
18,147,879.60/27,221,115.20 = 4,501,060.08/x - Step 3: Cross multiply
18,147,879.60x = 27,221,115.20 × 4,501,060.08 - Step 4: Simplify right side
18,147,879.60x = 122,523,874,959,801.22 - Step 5: Solve for x
x = 122,523,874,959,801.22/18,147,879.60 - Step 6: Final answer
x = 6,751,415.46
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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.