Finding the Fourth Proportional to 7,146,297.20, 10,717,142.16 and 2,352,845.18
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Solution
The fourth proportional to 7,146,297.20, 10,717,142.16 and 2,352,845.18 is: 3,528,509.32
Step by Step Solution
- Step 1: Write the proportion equation
7,146,297.20 : 10,717,142.16 = 2,352,845.18 : x - Step 2: Convert to fraction form
7,146,297.20/10,717,142.16 = 2,352,845.18/x - Step 3: Cross multiply
7,146,297.20x = 10,717,142.16 × 2,352,845.18 - Step 4: Simplify right side
7,146,297.20x = 25,215,776,274,530.79 - Step 5: Solve for x
x = 25,215,776,274,530.79/7,146,297.20 - Step 6: Final answer
x = 3,528,509.32
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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.