Finding the Fourth Proportional to 7,990,751.10, 11,986,237.20 and 2,599,429.68
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Solution
The fourth proportional to 7,990,751.10, 11,986,237.20 and 2,599,429.68 is: 3,899,180.48
Step by Step Solution
- Step 1: Write the proportion equation
7,990,751.10 : 11,986,237.20 = 2,599,429.68 : x - Step 2: Convert to fraction form
7,990,751.10/11,986,237.20 = 2,599,429.68/x - Step 3: Cross multiply
7,990,751.10x = 11,986,237.20 × 2,599,429.68 - Step 4: Simplify right side
7,990,751.10x = 31,157,380,729,200.10 - Step 5: Solve for x
x = 31,157,380,729,200.10/7,990,751.10 - Step 6: Final answer
x = 3,899,180.48
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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.