Finding the Fourth Proportional to 18,135,465.60, 27,224,193.60 and 10,955,107.20
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Solution
The fourth proportional to 18,135,465.60, 27,224,193.60 and 10,955,107.20 is: 16,445,343.39
Step by Step Solution
- Step 1: Write the proportion equation
18,135,465.60 : 27,224,193.60 = 10,955,107.20 : x - Step 2: Convert to fraction form
18,135,465.60/27,224,193.60 = 10,955,107.20/x - Step 3: Cross multiply
18,135,465.60x = 27,224,193.60 × 10,955,107.20 - Step 4: Simplify right side
18,135,465.60x = 298,243,959,321,553.94 - Step 5: Solve for x
x = 298,243,959,321,553.94/18,135,465.60 - Step 6: Final answer
x = 16,445,343.39
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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.