Finding the Fourth Proportional to 7,175,603.68, 10,768,449.36 and 6,489,546.64
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Solution
The fourth proportional to 7,175,603.68, 10,768,449.36 and 6,489,546.64 is: 9,738,881.56
Step by Step Solution
- Step 1: Write the proportion equation
7,175,603.68 : 10,768,449.36 = 6,489,546.64 : x - Step 2: Convert to fraction form
7,175,603.68/10,768,449.36 = 6,489,546.64/x - Step 3: Cross multiply
7,175,603.68x = 10,768,449.36 × 6,489,546.64 - Step 4: Simplify right side
7,175,603.68x = 69,882,354,362,198.14 - Step 5: Solve for x
x = 69,882,354,362,198.14/7,175,603.68 - Step 6: Final answer
x = 9,738,881.56
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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.