Finding the Fourth Proportional to 18,190,668.96, 25,102,969.20 and 10,041,732
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Solution
The fourth proportional to 18,190,668.96, 25,102,969.20 and 10,041,732 is: 13,857,505.17
Step by Step Solution
- Step 1: Write the proportion equation
18,190,668.96 : 25,102,969.20 = 10,041,732 : x - Step 2: Convert to fraction form
18,190,668.96/25,102,969.20 = 10,041,732/x - Step 3: Cross multiply
18,190,668.96x = 25,102,969.20 × 10,041,732 - Step 4: Simplify right side
18,190,668.96x = 252,077,289,110,654.41 - Step 5: Solve for x
x = 252,077,289,110,654.41/18,190,668.96 - Step 6: Final answer
x = 13,857,505.17
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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.