Finding the Fourth Proportional to 7,143,819.44, 10,717,058.36 and 2,351,845.68
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Solution
The fourth proportional to 7,143,819.44, 10,717,058.36 and 2,351,845.68 is: 3,528,206.11
Step by Step Solution
- Step 1: Write the proportion equation
7,143,819.44 : 10,717,058.36 = 2,351,845.68 : x - Step 2: Convert to fraction form
7,143,819.44/10,717,058.36 = 2,351,845.68/x - Step 3: Cross multiply
7,143,819.44x = 10,717,058.36 × 2,351,845.68 - Step 4: Simplify right side
7,143,819.44x = 25,204,867,406,273.89 - Step 5: Solve for x
x = 25,204,867,406,273.89/7,143,819.44 - Step 6: Final answer
x = 3,528,206.11
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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.