Finding the Fourth Proportional to 7,628,212.36, 10,527,046.28 and 4,143,619.09
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Solution
The fourth proportional to 7,628,212.36, 10,527,046.28 and 4,143,619.09 is: 5,718,255.85
Step by Step Solution
- Step 1: Write the proportion equation
7,628,212.36 : 10,527,046.28 = 4,143,619.09 : x - Step 2: Convert to fraction form
7,628,212.36/10,527,046.28 = 4,143,619.09/x - Step 3: Cross multiply
7,628,212.36x = 10,527,046.28 × 4,143,619.09 - Step 4: Simplify right side
7,628,212.36x = 43,620,069,958,408.63 - Step 5: Solve for x
x = 43,620,069,958,408.63/7,628,212.36 - Step 6: Final answer
x = 5,718,255.85
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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.