Finding the Fourth Proportional to 13,904,107.70, 20,856,161.55 and 11,804,587.70
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Solution
The fourth proportional to 13,904,107.70, 20,856,161.55 and 11,804,587.70 is: 17,706,881.55
Step by Step Solution
- Step 1: Write the proportion equation
13,904,107.70 : 20,856,161.55 = 11,804,587.70 : x - Step 2: Convert to fraction form
13,904,107.70/20,856,161.55 = 11,804,587.70/x - Step 3: Cross multiply
13,904,107.70x = 20,856,161.55 × 11,804,587.70 - Step 4: Simplify right side
13,904,107.70x = 246,198,388,102,342.94 - Step 5: Solve for x
x = 246,198,388,102,342.94/13,904,107.70 - Step 6: Final answer
x = 17,706,881.55
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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.