Finding the Fourth Proportional to 11,305,240.56, 16,957,965.79 and 3,218,215.90
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Solution
The fourth proportional to 11,305,240.56, 16,957,965.79 and 3,218,215.90 is: 4,827,353.72
Step by Step Solution
- Step 1: Write the proportion equation
11,305,240.56 : 16,957,965.79 = 3,218,215.90 : x - Step 2: Convert to fraction form
11,305,240.56/16,957,965.79 = 3,218,215.90/x - Step 3: Cross multiply
11,305,240.56x = 16,957,965.79 × 3,218,215.90 - Step 4: Simplify right side
11,305,240.56x = 54,574,395,052,244.23 - Step 5: Solve for x
x = 54,574,395,052,244.23/11,305,240.56 - Step 6: Final answer
x = 4,827,353.72
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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.