Finding the Fourth Proportional to 18,408,099.62, 27,543,943.89 and 14,753,745.92
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Solution
The fourth proportional to 18,408,099.62, 27,543,943.89 and 14,753,745.92 is: 22,075,953.42
Step by Step Solution
- Step 1: Write the proportion equation
18,408,099.62 : 27,543,943.89 = 14,753,745.92 : x - Step 2: Convert to fraction form
18,408,099.62/27,543,943.89 = 14,753,745.92/x - Step 3: Cross multiply
18,408,099.62x = 27,543,943.89 × 14,753,745.92 - Step 4: Simplify right side
18,408,099.62x = 406,376,349,856,656.25 - Step 5: Solve for x
x = 406,376,349,856,656.25/18,408,099.62 - Step 6: Final answer
x = 22,075,953.42
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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.