Finding the Fourth Proportional to 11,396,027.58, 15,728,843.70 and 7,726,124.13
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Solution
The fourth proportional to 11,396,027.58, 15,728,843.70 and 7,726,124.13 is: 10,663,628.00
Step by Step Solution
- Step 1: Write the proportion equation
11,396,027.58 : 15,728,843.70 = 7,726,124.13 : x - Step 2: Convert to fraction form
11,396,027.58/15,728,843.70 = 7,726,124.13/x - Step 3: Cross multiply
11,396,027.58x = 15,728,843.70 × 7,726,124.13 - Step 4: Simplify right side
11,396,027.58x = 121,522,998,847,568.47 - Step 5: Solve for x
x = 121,522,998,847,568.47/11,396,027.58 - Step 6: Final answer
x = 10,663,628.00
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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.