Finding the Fourth Proportional to 17,770,655.07, 26,656,979.58 and 4,990,163.22
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Solution
The fourth proportional to 17,770,655.07, 26,656,979.58 and 4,990,163.22 is: 7,485,524.79
Step by Step Solution
- Step 1: Write the proportion equation
17,770,655.07 : 26,656,979.58 = 4,990,163.22 : x - Step 2: Convert to fraction form
17,770,655.07/26,656,979.58 = 4,990,163.22/x - Step 3: Cross multiply
17,770,655.07x = 26,656,979.58 × 4,990,163.22 - Step 4: Simplify right side
17,770,655.07x = 133,022,679,056,407.03 - Step 5: Solve for x
x = 133,022,679,056,407.03/17,770,655.07 - Step 6: Final answer
x = 7,485,524.79
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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.