Finding the Fourth Proportional to 13,879,873.26, 20,824,165.36 and 8,346,777.23
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Solution
The fourth proportional to 13,879,873.26, 20,824,165.36 and 8,346,777.23 is: 12,522,785.05
Step by Step Solution
- Step 1: Write the proportion equation
13,879,873.26 : 20,824,165.36 = 8,346,777.23 : x - Step 2: Convert to fraction form
13,879,873.26/20,824,165.36 = 8,346,777.23/x - Step 3: Cross multiply
13,879,873.26x = 20,824,165.36 × 8,346,777.23 - Step 4: Simplify right side
13,879,873.26x = 173,814,669,323,096.62 - Step 5: Solve for x
x = 173,814,669,323,096.62/13,879,873.26 - Step 6: Final answer
x = 12,522,785.05
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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.