Finding the Fourth Proportional to 10,354,231.22, 15,531,346.82 and 3,165,765.12
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Solution
The fourth proportional to 10,354,231.22, 15,531,346.82 and 3,165,765.12 is: 4,748,647.68
Step by Step Solution
- Step 1: Write the proportion equation
10,354,231.22 : 15,531,346.82 = 3,165,765.12 : x - Step 2: Convert to fraction form
10,354,231.22/15,531,346.82 = 3,165,765.12/x - Step 3: Cross multiply
10,354,231.22x = 15,531,346.82 × 3,165,765.12 - Step 4: Simplify right side
10,354,231.22x = 49,168,596,029,378.92 - Step 5: Solve for x
x = 49,168,596,029,378.92/10,354,231.22 - Step 6: Final answer
x = 4,748,647.68
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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.