Finding the Fourth Proportional to 31,131,567.70, 46,571,380.35 and 27,352,431.70
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Solution
The fourth proportional to 31,131,567.70, 46,571,380.35 and 27,352,431.70 is: 40,917,968.30
Step by Step Solution
- Step 1: Write the proportion equation
31,131,567.70 : 46,571,380.35 = 27,352,431.70 : x - Step 2: Convert to fraction form
31,131,567.70/46,571,380.35 = 27,352,431.70/x - Step 3: Cross multiply
31,131,567.70x = 46,571,380.35 × 27,352,431.70 - Step 4: Simplify right side
31,131,567.70x = 1,273,840,500,198,097 - Step 5: Solve for x
x = 1,273,840,500,198,097/31,131,567.70 - Step 6: Final answer
x = 40,917,968.30
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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.