Finding the Fourth Proportional to 10,415,397.20, 15,632,311.80 and 6,150,232.40
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Solution
The fourth proportional to 10,415,397.20, 15,632,311.80 and 6,150,232.40 is: 9,230,790.60
Step by Step Solution
- Step 1: Write the proportion equation
10,415,397.20 : 15,632,311.80 = 6,150,232.40 : x - Step 2: Convert to fraction form
10,415,397.20/15,632,311.80 = 6,150,232.40/x - Step 3: Cross multiply
10,415,397.20x = 15,632,311.80 × 6,150,232.40 - Step 4: Simplify right side
10,415,397.20x = 96,142,350,519,262.33 - Step 5: Solve for x
x = 96,142,350,519,262.33/10,415,397.20 - Step 6: Final answer
x = 9,230,790.60
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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.