Finding the Fourth Proportional to 12,588,745.31, 18,883,117.96 and 8,327,917.09
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Solution
The fourth proportional to 12,588,745.31, 18,883,117.96 and 8,327,917.09 is: 12,491,875.64
Step by Step Solution
- Step 1: Write the proportion equation
12,588,745.31 : 18,883,117.96 = 8,327,917.09 : x - Step 2: Convert to fraction form
12,588,745.31/18,883,117.96 = 8,327,917.09/x - Step 3: Cross multiply
12,588,745.31x = 18,883,117.96 × 8,327,917.09 - Step 4: Simplify right side
12,588,745.31x = 157,257,040,821,198.59 - Step 5: Solve for x
x = 157,257,040,821,198.59/12,588,745.31 - Step 6: Final answer
x = 12,491,875.64
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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.