Finding the Fourth Proportional to 14,729,443.49, 20,327,262.68 and 8,203,072.94
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Solution
The fourth proportional to 14,729,443.49, 20,327,262.68 and 8,203,072.94 is: 11,320,591.88
Step by Step Solution
- Step 1: Write the proportion equation
14,729,443.49 : 20,327,262.68 = 8,203,072.94 : x - Step 2: Convert to fraction form
14,729,443.49/20,327,262.68 = 8,203,072.94/x - Step 3: Cross multiply
14,729,443.49x = 20,327,262.68 × 8,203,072.94 - Step 4: Simplify right side
14,729,443.49x = 166,746,018,444,382.69 - Step 5: Solve for x
x = 166,746,018,444,382.69/14,729,443.49 - Step 6: Final answer
x = 11,320,591.88
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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.