Finding the Fourth Proportional to 8,632,149.09, 11,911,517.91 and 4,764,421.12
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Solution
The fourth proportional to 8,632,149.09, 11,911,517.91 and 4,764,421.12 is: 6,574,433.19
Step by Step Solution
- Step 1: Write the proportion equation
8,632,149.09 : 11,911,517.91 = 4,764,421.12 : x - Step 2: Convert to fraction form
8,632,149.09/11,911,517.91 = 4,764,421.12/x - Step 3: Cross multiply
8,632,149.09x = 11,911,517.91 × 4,764,421.12 - Step 4: Simplify right side
8,632,149.09x = 56,751,487,501,662.26 - Step 5: Solve for x
x = 56,751,487,501,662.26/8,632,149.09 - Step 6: Final answer
x = 6,574,433.19
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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.