Finding the Fourth Proportional to 7,492,163.36, 11,236,978.56 and 2,099,573.60
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Solution
The fourth proportional to 7,492,163.36, 11,236,978.56 and 2,099,573.60 is: 3,149,005.49
Step by Step Solution
- Step 1: Write the proportion equation
7,492,163.36 : 11,236,978.56 = 2,099,573.60 : x - Step 2: Convert to fraction form
7,492,163.36/11,236,978.56 = 2,099,573.60/x - Step 3: Cross multiply
7,492,163.36x = 11,236,978.56 × 2,099,573.60 - Step 4: Simplify right side
7,492,163.36x = 23,592,863,528,342.02 - Step 5: Solve for x
x = 23,592,863,528,342.02/7,492,163.36 - Step 6: Final answer
x = 3,149,005.49
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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.