Finding the Fourth Proportional to 17,551,163.40, 26,326,745.10 and 11,811,600.60
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Solution
The fourth proportional to 17,551,163.40, 26,326,745.10 and 11,811,600.60 is: 17,717,400.90
Step by Step Solution
- Step 1: Write the proportion equation
17,551,163.40 : 26,326,745.10 = 11,811,600.60 : x - Step 2: Convert to fraction form
17,551,163.40/26,326,745.10 = 11,811,600.60/x - Step 3: Cross multiply
17,551,163.40x = 26,326,745.10 × 11,811,600.60 - Step 4: Simplify right side
17,551,163.40x = 310,960,998,219,207.06 - Step 5: Solve for x
x = 310,960,998,219,207.06/17,551,163.40 - Step 6: Final answer
x = 17,717,400.90
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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.