Finding the Fourth Proportional to 18,213,373.44, 25,134,464.16 and 10,064,611.44
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Solution
The fourth proportional to 18,213,373.44, 25,134,464.16 and 10,064,611.44 is: 13,889,168.66
Step by Step Solution
- Step 1: Write the proportion equation
18,213,373.44 : 25,134,464.16 = 10,064,611.44 : x - Step 2: Convert to fraction form
18,213,373.44/25,134,464.16 = 10,064,611.44/x - Step 3: Cross multiply
18,213,373.44x = 25,134,464.16 × 10,064,611.44 - Step 4: Simplify right side
18,213,373.44x = 252,968,615,523,005.97 - Step 5: Solve for x
x = 252,968,615,523,005.97/18,213,373.44 - Step 6: Final answer
x = 13,889,168.66
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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.