Finding the Fourth Proportional to 9,775,469.20, 14,670,202.20 and 5,511,110.80
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Solution
The fourth proportional to 9,775,469.20, 14,670,202.20 and 5,511,110.80 is: 8,270,611.68
Step by Step Solution
- Step 1: Write the proportion equation
9,775,469.20 : 14,670,202.20 = 5,511,110.80 : x - Step 2: Convert to fraction form
9,775,469.20/14,670,202.20 = 5,511,110.80/x - Step 3: Cross multiply
9,775,469.20x = 14,670,202.20 × 5,511,110.80 - Step 4: Simplify right side
9,775,469.20x = 80,849,109,782,603.75 - Step 5: Solve for x
x = 80,849,109,782,603.75/9,775,469.20 - Step 6: Final answer
x = 8,270,611.68
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1.5x scale
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.