Finding the Fourth Proportional to 11,206,133.56, 15,568,865.77 and 11,071,764.28
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Solution
The fourth proportional to 11,206,133.56, 15,568,865.77 and 11,071,764.28 is: 15,382,184.32
Step by Step Solution
- Step 1: Write the proportion equation
11,206,133.56 : 15,568,865.77 = 11,071,764.28 : x - Step 2: Convert to fraction form
11,206,133.56/15,568,865.77 = 11,071,764.28/x - Step 3: Cross multiply
11,206,133.56x = 15,568,865.77 × 11,071,764.28 - Step 4: Simplify right side
11,206,133.56x = 172,374,811,912,400.69 - Step 5: Solve for x
x = 172,374,811,912,400.69/11,206,133.56 - Step 6: Final answer
x = 15,382,184.32
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.