Finding the Fourth Proportional to 49,628,383.20, 74,444,907.60 and 15,550,840.80
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Solution
The fourth proportional to 49,628,383.20, 74,444,907.60 and 15,550,840.80 is: 23,326,992.17
Step by Step Solution
- Step 1: Write the proportion equation
49,628,383.20 : 74,444,907.60 = 15,550,840.80 : x - Step 2: Convert to fraction form
49,628,383.20/74,444,907.60 = 15,550,840.80/x - Step 3: Cross multiply
49,628,383.20x = 74,444,907.60 × 15,550,840.80 - Step 4: Simplify right side
49,628,383.20x = 1,157,680,906,458,310 - Step 5: Solve for x
x = 1,157,680,906,458,310/49,628,383.20 - Step 6: Final answer
x = 23,326,992.17
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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.