Finding the Fourth Proportional to 39,089,341.77, 53,920,879.88 and 24,379,469.91
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Solution
The fourth proportional to 39,089,341.77, 53,920,879.88 and 24,379,469.91 is: 33,629,690.58
Step by Step Solution
- Step 1: Write the proportion equation
39,089,341.77 : 53,920,879.88 = 24,379,469.91 : x - Step 2: Convert to fraction form
39,089,341.77/53,920,879.88 = 24,379,469.91/x - Step 3: Cross multiply
39,089,341.77x = 53,920,879.88 × 24,379,469.91 - Step 4: Simplify right side
39,089,341.77x = 1,314,562,468,433,287 - Step 5: Solve for x
x = 1,314,562,468,433,287/39,089,341.77 - Step 6: Final answer
x = 33,629,690.58
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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.