Finding the Fourth Proportional to 7,384,913.26, 11,081,272.68 and 5,239,801.49
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Solution
The fourth proportional to 7,384,913.26, 11,081,272.68 and 5,239,801.49 is: 7,862,471.37
Step by Step Solution
- Step 1: Write the proportion equation
7,384,913.26 : 11,081,272.68 = 5,239,801.49 : x - Step 2: Convert to fraction form
7,384,913.26/11,081,272.68 = 5,239,801.49/x - Step 3: Cross multiply
7,384,913.26x = 11,081,272.68 × 5,239,801.49 - Step 4: Simplify right side
7,384,913.26x = 58,063,669,099,760.30 - Step 5: Solve for x
x = 58,063,669,099,760.30/7,384,913.26 - Step 6: Final answer
x = 7,862,471.37
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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.