Finding the Fourth Proportional to 20,296,798.12, 27,982,485.41 and 16,124,327.27
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Solution
The fourth proportional to 20,296,798.12, 27,982,485.41 and 16,124,327.27 is: 22,230,045.84
Step by Step Solution
- Step 1: Write the proportion equation
20,296,798.12 : 27,982,485.41 = 16,124,327.27 : x - Step 2: Convert to fraction form
20,296,798.12/27,982,485.41 = 16,124,327.27/x - Step 3: Cross multiply
20,296,798.12x = 27,982,485.41 × 16,124,327.27 - Step 4: Simplify right side
20,296,798.12x = 451,198,752,578,840.12 - Step 5: Solve for x
x = 451,198,752,578,840.12/20,296,798.12 - Step 6: Final answer
x = 22,230,045.84
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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.