Finding the Fourth Proportional to 7,286,008.12, 10,929,536.82 and 2,798,284.12
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Solution
The fourth proportional to 7,286,008.12, 10,929,536.82 and 2,798,284.12 is: 4,197,627.67
Step by Step Solution
- Step 1: Write the proportion equation
7,286,008.12 : 10,929,536.82 = 2,798,284.12 : x - Step 2: Convert to fraction form
7,286,008.12/10,929,536.82 = 2,798,284.12/x - Step 3: Cross multiply
7,286,008.12x = 10,929,536.82 × 2,798,284.12 - Step 4: Simplify right side
7,286,008.12x = 30,583,949,322,361.30 - Step 5: Solve for x
x = 30,583,949,322,361.30/7,286,008.12 - Step 6: Final answer
x = 4,197,627.67
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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.