Finding the Fourth Proportional to 14,741,574.36, 20,342,478.94 and 8,125,873.48
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Solution
The fourth proportional to 14,741,574.36, 20,342,478.94 and 8,125,873.48 is: 11,213,212.79
Step by Step Solution
- Step 1: Write the proportion equation
14,741,574.36 : 20,342,478.94 = 8,125,873.48 : x - Step 2: Convert to fraction form
14,741,574.36/20,342,478.94 = 8,125,873.48/x - Step 3: Cross multiply
14,741,574.36x = 20,342,478.94 × 8,125,873.48 - Step 4: Simplify right side
14,741,574.36x = 165,300,410,136,004.53 - Step 5: Solve for x
x = 165,300,410,136,004.53/14,741,574.36 - Step 6: Final answer
x = 11,213,212.79
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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.