Finding the Fourth Proportional to 29,056,411.24, 40,100,679.06 and 21,701,474.44
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Solution
The fourth proportional to 29,056,411.24, 40,100,679.06 and 21,701,474.44 is: 29,950,149.54
Step by Step Solution
- Step 1: Write the proportion equation
29,056,411.24 : 40,100,679.06 = 21,701,474.44 : x - Step 2: Convert to fraction form
29,056,411.24/40,100,679.06 = 21,701,474.44/x - Step 3: Cross multiply
29,056,411.24x = 40,100,679.06 × 21,701,474.44 - Step 4: Simplify right side
29,056,411.24x = 870,243,861,647,233.38 - Step 5: Solve for x
x = 870,243,861,647,233.38/29,056,411.24 - Step 6: Final answer
x = 29,950,149.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.