Finding the Fourth Proportional to 7,990,753.04, 11,986,240.20 and 2,599,431.64
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Solution
The fourth proportional to 7,990,753.04, 11,986,240.20 and 2,599,431.64 is: 3,899,183.45
Step by Step Solution
- Step 1: Write the proportion equation
7,990,753.04 : 11,986,240.20 = 2,599,431.64 : x - Step 2: Convert to fraction form
7,990,753.04/11,986,240.20 = 2,599,431.64/x - Step 3: Cross multiply
7,990,753.04x = 11,986,240.20 × 2,599,431.64 - Step 4: Simplify right side
7,990,753.04x = 31,157,412,020,519.93 - Step 5: Solve for x
x = 31,157,412,020,519.93/7,990,753.04 - Step 6: Final answer
x = 3,899,183.45
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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.