Finding the Fourth Proportional to 7,146,424.36, 10,720,336.38 and 2,352,157.48
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Solution
The fourth proportional to 7,146,424.36, 10,720,336.38 and 2,352,157.48 is: 3,528,466.56
Step by Step Solution
- Step 1: Write the proportion equation
7,146,424.36 : 10,720,336.38 = 2,352,157.48 : x - Step 2: Convert to fraction form
7,146,424.36/10,720,336.38 = 2,352,157.48/x - Step 3: Cross multiply
7,146,424.36x = 10,720,336.38 × 2,352,157.48 - Step 4: Simplify right side
7,146,424.36x = 25,215,919,404,333.12 - Step 5: Solve for x
x = 25,215,919,404,333.12/7,146,424.36 - Step 6: Final answer
x = 3,528,466.56
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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.