Finding the Fourth Proportional to 7,914,339.49, 11,872,369.99 and 2,521,722.37
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Solution
The fourth proportional to 7,914,339.49, 11,872,369.99 and 2,521,722.37 is: 3,782,857.81
Step by Step Solution
- Step 1: Write the proportion equation
7,914,339.49 : 11,872,369.99 = 2,521,722.37 : x - Step 2: Convert to fraction form
7,914,339.49/11,872,369.99 = 2,521,722.37/x - Step 3: Cross multiply
7,914,339.49x = 11,872,369.99 × 2,521,722.37 - Step 4: Simplify right side
7,914,339.49x = 29,938,820,923,033.52 - Step 5: Solve for x
x = 29,938,820,923,033.52/7,914,339.49 - Step 6: Final answer
x = 3,782,857.81
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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.