Finding the Fourth Proportional to 7,659,237.88, 11,489,907.30 and 3,399,311.80
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Solution
The fourth proportional to 7,659,237.88, 11,489,907.30 and 3,399,311.80 is: 5,099,433.92
Step by Step Solution
- Step 1: Write the proportion equation
7,659,237.88 : 11,489,907.30 = 3,399,311.80 : x - Step 2: Convert to fraction form
7,659,237.88/11,489,907.30 = 3,399,311.80/x - Step 3: Cross multiply
7,659,237.88x = 11,489,907.30 × 3,399,311.80 - Step 4: Simplify right side
7,659,237.88x = 39,057,777,465,796.14 - Step 5: Solve for x
x = 39,057,777,465,796.14/7,659,237.88 - Step 6: Final answer
x = 5,099,433.92
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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.