Finding the Fourth Proportional to 7,440,233.42, 11,161,787.36 and 2,828,861.12
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Solution
The fourth proportional to 7,440,233.42, 11,161,787.36 and 2,828,861.12 is: 4,243,838.13
Step by Step Solution
- Step 1: Write the proportion equation
7,440,233.42 : 11,161,787.36 = 2,828,861.12 : x - Step 2: Convert to fraction form
7,440,233.42/11,161,787.36 = 2,828,861.12/x - Step 3: Cross multiply
7,440,233.42x = 11,161,787.36 × 2,828,861.12 - Step 4: Simplify right side
7,440,233.42x = 31,575,146,286,175.08 - Step 5: Solve for x
x = 31,575,146,286,175.08/7,440,233.42 - Step 6: Final answer
x = 4,243,838.13
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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.