Finding the Fourth Proportional to 13,682,271.86, 18,902,043.79 and 8,983,814.44
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Solution
The fourth proportional to 13,682,271.86, 18,902,043.79 and 8,983,814.44 is: 12,411,129.94
Step by Step Solution
- Step 1: Write the proportion equation
13,682,271.86 : 18,902,043.79 = 8,983,814.44 : x - Step 2: Convert to fraction form
13,682,271.86/18,902,043.79 = 8,983,814.44/x - Step 3: Cross multiply
13,682,271.86x = 18,902,043.79 × 8,983,814.44 - Step 4: Simplify right side
13,682,271.86x = 169,812,453,946,114.31 - Step 5: Solve for x
x = 169,812,453,946,114.31/13,682,271.86 - Step 6: Final answer
x = 12,411,129.94
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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.