Finding the Fourth Proportional to 18,591,745.80, 27,887,618.70 and 18,591,745.80
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Solution
The fourth proportional to 18,591,745.80, 27,887,618.70 and 18,591,745.80 is: 27,887,618.70
Step by Step Solution
- Step 1: Write the proportion equation
18,591,745.80 : 27,887,618.70 = 18,591,745.80 : x - Step 2: Convert to fraction form
18,591,745.80/27,887,618.70 = 18,591,745.80/x - Step 3: Cross multiply
18,591,745.80x = 27,887,618.70 × 18,591,745.80 - Step 4: Simplify right side
18,591,745.80x = 518,479,517,837,726.44 - Step 5: Solve for x
x = 518,479,517,837,726.44/18,591,745.80 - Step 6: Final answer
x = 27,887,618.70
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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.