Finding the Fourth Proportional to 13,397,782.56, 18,493,102.92 and 10,649,346.84
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Solution
The fourth proportional to 13,397,782.56, 18,493,102.92 and 10,649,346.84 is: 14,699,407.63
Step by Step Solution
- Step 1: Write the proportion equation
13,397,782.56 : 18,493,102.92 = 10,649,346.84 : x - Step 2: Convert to fraction form
13,397,782.56/18,493,102.92 = 10,649,346.84/x - Step 3: Cross multiply
13,397,782.56x = 18,493,102.92 × 10,649,346.84 - Step 4: Simplify right side
13,397,782.56x = 196,939,467,142,896.78 - Step 5: Solve for x
x = 196,939,467,142,896.78/13,397,782.56 - Step 6: Final answer
x = 14,699,407.63
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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.