Finding the Fourth Proportional to 7,078,391.56, 10,565,912.44 and 6,073,968.12
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Solution
The fourth proportional to 7,078,391.56, 10,565,912.44 and 6,073,968.12 is: 9,066,609.95
Step by Step Solution
- Step 1: Write the proportion equation
7,078,391.56 : 10,565,912.44 = 6,073,968.12 : x - Step 2: Convert to fraction form
7,078,391.56/10,565,912.44 = 6,073,968.12/x - Step 3: Cross multiply
7,078,391.56x = 10,565,912.44 × 6,073,968.12 - Step 4: Simplify right side
7,078,391.56x = 64,177,015,319,271.41 - Step 5: Solve for x
x = 64,177,015,319,271.41/7,078,391.56 - Step 6: Final answer
x = 9,066,609.95
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.