Finding the Fourth Proportional to 7,381,163.70, 11,071,745.55 and 2,062,379.70
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Solution
The fourth proportional to 7,381,163.70, 11,071,745.55 and 2,062,379.70 is: 3,093,569.55
Step by Step Solution
- Step 1: Write the proportion equation
7,381,163.70 : 11,071,745.55 = 2,062,379.70 : x - Step 2: Convert to fraction form
7,381,163.70/11,071,745.55 = 2,062,379.70/x - Step 3: Cross multiply
7,381,163.70x = 11,071,745.55 × 2,062,379.70 - Step 4: Simplify right side
7,381,163.70x = 22,834,143,265,885.34 - Step 5: Solve for x
x = 22,834,143,265,885.34/7,381,163.70 - Step 6: Final answer
x = 3,093,569.55
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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.