Finding the Fourth Proportional to 7,175,245.68, 10,765,735.92 and 2,915,747.28
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Solution
The fourth proportional to 7,175,245.68, 10,765,735.92 and 2,915,747.28 is: 4,374,786.12
Step by Step Solution
- Step 1: Write the proportion equation
7,175,245.68 : 10,765,735.92 = 2,915,747.28 : x - Step 2: Convert to fraction form
7,175,245.68/10,765,735.92 = 2,915,747.28/x - Step 3: Cross multiply
7,175,245.68x = 10,765,735.92 × 2,915,747.28 - Step 4: Simplify right side
7,175,245.68x = 31,390,165,225,938.30 - Step 5: Solve for x
x = 31,390,165,225,938.30/7,175,245.68 - Step 6: Final answer
x = 4,374,786.12
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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.