Finding the Fourth Proportional to 7,161,996.42, 10,744,964.64 and 2,113,306.92
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Solution
The fourth proportional to 7,161,996.42, 10,744,964.64 and 2,113,306.92 is: 3,170,541.68
Step by Step Solution
- Step 1: Write the proportion equation
7,161,996.42 : 10,744,964.64 = 2,113,306.92 : x - Step 2: Convert to fraction form
7,161,996.42/10,744,964.64 = 2,113,306.92/x - Step 3: Cross multiply
7,161,996.42x = 10,744,964.64 × 2,113,306.92 - Step 4: Simplify right side
7,161,996.42x = 22,707,408,128,867.31 - Step 5: Solve for x
x = 22,707,408,128,867.31/7,161,996.42 - Step 6: Final answer
x = 3,170,541.68
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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.