Finding the Fourth Proportional to 8,628,479.68, 11,907,208.48 and 4,761,163.84
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Solution
The fourth proportional to 8,628,479.68, 11,907,208.48 and 4,761,163.84 is: 6,570,354.52
Step by Step Solution
- Step 1: Write the proportion equation
8,628,479.68 : 11,907,208.48 = 4,761,163.84 : x - Step 2: Convert to fraction form
8,628,479.68/11,907,208.48 = 4,761,163.84/x - Step 3: Cross multiply
8,628,479.68x = 11,907,208.48 × 4,761,163.84 - Step 4: Simplify right side
8,628,479.68x = 56,692,170,450,317.37 - Step 5: Solve for x
x = 56,692,170,450,317.37/8,628,479.68 - Step 6: Final answer
x = 6,570,354.52
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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.