Finding the Fourth Proportional to 20,382,273.36, 28,127,021.04 and 11,089,447.92
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Solution
The fourth proportional to 20,382,273.36, 28,127,021.04 and 11,089,447.92 is: 15,303,157.28
Step by Step Solution
- Step 1: Write the proportion equation
20,382,273.36 : 28,127,021.04 = 11,089,447.92 : x - Step 2: Convert to fraction form
20,382,273.36/28,127,021.04 = 11,089,447.92/x - Step 3: Cross multiply
20,382,273.36x = 28,127,021.04 × 11,089,447.92 - Step 4: Simplify right side
20,382,273.36x = 311,913,134,967,824.25 - Step 5: Solve for x
x = 311,913,134,967,824.25/20,382,273.36 - Step 6: Final answer
x = 15,303,157.28
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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.