Finding the Fourth Proportional to 14,622,072.44, 20,178,767.84 and 8,006,938.73
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Solution
The fourth proportional to 14,622,072.44, 20,178,767.84 and 8,006,938.73 is: 11,049,744.02
Step by Step Solution
- Step 1: Write the proportion equation
14,622,072.44 : 20,178,767.84 = 8,006,938.73 : x - Step 2: Convert to fraction form
14,622,072.44/20,178,767.84 = 8,006,938.73/x - Step 3: Cross multiply
14,622,072.44x = 20,178,767.84 × 8,006,938.73 - Step 4: Simplify right side
14,622,072.44x = 161,570,157,600,845.91 - Step 5: Solve for x
x = 161,570,157,600,845.91/14,622,072.44 - Step 6: Final answer
x = 11,049,744.02
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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.