Finding the Fourth Proportional to 11,881,276.44, 16,396,192.98 and 6,448,768.44
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Solution
The fourth proportional to 11,881,276.44, 16,396,192.98 and 6,448,768.44 is: 8,899,317.54
Step by Step Solution
- Step 1: Write the proportion equation
11,881,276.44 : 16,396,192.98 = 6,448,768.44 : x - Step 2: Convert to fraction form
11,881,276.44/16,396,192.98 = 6,448,768.44/x - Step 3: Cross multiply
11,881,276.44x = 16,396,192.98 × 6,448,768.44 - Step 4: Simplify right side
11,881,276.44x = 105,735,251,825,573.56 - Step 5: Solve for x
x = 105,735,251,825,573.56/11,881,276.44 - Step 6: Final answer
x = 8,899,317.54
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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.