Finding the Fourth Proportional to 13,566,450.09, 18,719,593.63 and 8,059,683.42
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Solution
The fourth proportional to 13,566,450.09, 18,719,593.63 and 8,059,683.42 is: 11,121,111.08
Step by Step Solution
- Step 1: Write the proportion equation
13,566,450.09 : 18,719,593.63 = 8,059,683.42 : x - Step 2: Convert to fraction form
13,566,450.09/18,719,593.63 = 8,059,683.42/x - Step 3: Cross multiply
13,566,450.09x = 18,719,593.63 × 8,059,683.42 - Step 4: Simplify right side
13,566,450.09x = 150,873,998,434,035.12 - Step 5: Solve for x
x = 150,873,998,434,035.12/13,566,450.09 - Step 6: Final answer
x = 11,121,111.08
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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.