Finding the Fourth Proportional to 43,776,108.70, 65,664,163.05 and 11,863,404.70
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Solution
The fourth proportional to 43,776,108.70, 65,664,163.05 and 11,863,404.70 is: 17,795,107.05
Step by Step Solution
- Step 1: Write the proportion equation
43,776,108.70 : 65,664,163.05 = 11,863,404.70 : x - Step 2: Convert to fraction form
43,776,108.70/65,664,163.05 = 11,863,404.70/x - Step 3: Cross multiply
43,776,108.70x = 65,664,163.05 × 11,863,404.70 - Step 4: Simplify right side
43,776,108.70x = 779,000,540,548,936.25 - Step 5: Solve for x
x = 779,000,540,548,936.25/43,776,108.70 - Step 6: Final answer
x = 17,795,107.05
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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.