Finding the Fourth Proportional to 7,134,840.05, 9,846,029.33 and 3,871,571.79
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Solution
The fourth proportional to 7,134,840.05, 9,846,029.33 and 3,871,571.79 is: 5,342,741.97
Step by Step Solution
- Step 1: Write the proportion equation
7,134,840.05 : 9,846,029.33 = 3,871,571.79 : x - Step 2: Convert to fraction form
7,134,840.05/9,846,029.33 = 3,871,571.79/x - Step 3: Cross multiply
7,134,840.05x = 9,846,029.33 × 3,871,571.79 - Step 4: Simplify right side
7,134,840.05x = 38,119,609,397,540.60 - Step 5: Solve for x
x = 38,119,609,397,540.60/7,134,840.05 - Step 6: Final answer
x = 5,342,741.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.