Finding the Fourth Proportional to 7,628,422.14, 11,441,375.64 and 2,510,918.68
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Solution
The fourth proportional to 7,628,422.14, 11,441,375.64 and 2,510,918.68 is: 3,765,964.09
Step by Step Solution
- Step 1: Write the proportion equation
7,628,422.14 : 11,441,375.64 = 2,510,918.68 : x - Step 2: Convert to fraction form
7,628,422.14/11,441,375.64 = 2,510,918.68/x - Step 3: Cross multiply
7,628,422.14x = 11,441,375.64 × 2,510,918.68 - Step 4: Simplify right side
7,628,422.14x = 28,728,363,819,372.96 - Step 5: Solve for x
x = 28,728,363,819,372.96/7,628,422.14 - Step 6: Final answer
x = 3,765,964.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.