Finding the Fourth Proportional to 21,177,249.48, 29,224,604.75 and 12,009,892.23
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Solution
The fourth proportional to 21,177,249.48, 29,224,604.75 and 12,009,892.23 is: 16,573,651.54
Step by Step Solution
- Step 1: Write the proportion equation
21,177,249.48 : 29,224,604.75 = 12,009,892.23 : x - Step 2: Convert to fraction form
21,177,249.48/29,224,604.75 = 12,009,892.23/x - Step 3: Cross multiply
21,177,249.48x = 29,224,604.75 × 12,009,892.23 - Step 4: Simplify right side
21,177,249.48x = 350,984,353,451,796.69 - Step 5: Solve for x
x = 350,984,353,451,796.69/21,177,249.48 - Step 6: Final answer
x = 16,573,651.54
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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.