Finding the Fourth Proportional to 13,823,644.56, 20,733,367.32 and 5,307,991.44
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Solution
The fourth proportional to 13,823,644.56, 20,733,367.32 and 5,307,991.44 is: 7,961,180.99
Step by Step Solution
- Step 1: Write the proportion equation
13,823,644.56 : 20,733,367.32 = 5,307,991.44 : x - Step 2: Convert to fraction form
13,823,644.56/20,733,367.32 = 5,307,991.44/x - Step 3: Cross multiply
13,823,644.56x = 20,733,367.32 × 5,307,991.44 - Step 4: Simplify right side
13,823,644.56x = 110,052,536,256,935.75 - Step 5: Solve for x
x = 110,052,536,256,935.75/13,823,644.56 - Step 6: Final answer
x = 7,961,180.99
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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.