Finding the Fourth Proportional to 13,567,954.86, 18,715,372.92 and 8,922,271.14
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Solution
The fourth proportional to 13,567,954.86, 18,715,372.92 and 8,922,271.14 is: 12,307,207.20
Step by Step Solution
- Step 1: Write the proportion equation
13,567,954.86 : 18,715,372.92 = 8,922,271.14 : x - Step 2: Convert to fraction form
13,567,954.86/18,715,372.92 = 8,922,271.14/x - Step 3: Cross multiply
13,567,954.86x = 18,715,372.92 × 8,922,271.14 - Step 4: Simplify right side
13,567,954.86x = 166,983,631,678,453.56 - Step 5: Solve for x
x = 166,983,631,678,453.56/13,567,954.86 - Step 6: Final answer
x = 12,307,207.20
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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.