Finding the Fourth Proportional to 11,393,007.36, 17,089,467.84 and 4,661,419.20
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Solution
The fourth proportional to 11,393,007.36, 17,089,467.84 and 4,661,419.20 is: 6,992,111.12
Step by Step Solution
- Step 1: Write the proportion equation
11,393,007.36 : 17,089,467.84 = 4,661,419.20 : x - Step 2: Convert to fraction form
11,393,007.36/17,089,467.84 = 4,661,419.20/x - Step 3: Cross multiply
11,393,007.36x = 17,089,467.84 × 4,661,419.20 - Step 4: Simplify right side
11,393,007.36x = 79,661,173,507,158.53 - Step 5: Solve for x
x = 79,661,173,507,158.53/11,393,007.36 - Step 6: Final answer
x = 6,992,111.12
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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.