Finding the Fourth Proportional to 18,484,832.55, 27,694,365.91 and 15,761,529.57
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Solution
The fourth proportional to 18,484,832.55, 27,694,365.91 and 15,761,529.57 is: 23,614,255.96
Step by Step Solution
- Step 1: Write the proportion equation
18,484,832.55 : 27,694,365.91 = 15,761,529.57 : x - Step 2: Convert to fraction form
18,484,832.55/27,694,365.91 = 15,761,529.57/x - Step 3: Cross multiply
18,484,832.55x = 27,694,365.91 × 15,761,529.57 - Step 4: Simplify right side
18,484,832.55x = 436,505,567,212,865 - Step 5: Solve for x
x = 436,505,567,212,865/18,484,832.55 - Step 6: Final answer
x = 23,614,255.96
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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.