Finding the Fourth Proportional to 7,135,251.12, 9,846,653.22 and 4,079,529.36
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Solution
The fourth proportional to 7,135,251.12, 9,846,653.22 and 4,079,529.36 is: 5,629,754.33
Step by Step Solution
- Step 1: Write the proportion equation
7,135,251.12 : 9,846,653.22 = 4,079,529.36 : x - Step 2: Convert to fraction form
7,135,251.12/9,846,653.22 = 4,079,529.36/x - Step 3: Cross multiply
7,135,251.12x = 9,846,653.22 × 4,079,529.36 - Step 4: Simplify right side
7,135,251.12x = 40,169,710,908,728.54 - Step 5: Solve for x
x = 40,169,710,908,728.54/7,135,251.12 - Step 6: Final answer
x = 5,629,754.33
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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.