Finding the Fourth Proportional to 14,631,144.56, 20,190,972.42 and 8,750,778.62
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Solution
The fourth proportional to 14,631,144.56, 20,190,972.42 and 8,750,778.62 is: 12,076,070.27
Step by Step Solution
- Step 1: Write the proportion equation
14,631,144.56 : 20,190,972.42 = 8,750,778.62 : x - Step 2: Convert to fraction form
14,631,144.56/20,190,972.42 = 8,750,778.62/x - Step 3: Cross multiply
14,631,144.56x = 20,190,972.42 × 8,750,778.62 - Step 4: Simplify right side
14,631,144.56x = 176,686,729,769,945.66 - Step 5: Solve for x
x = 176,686,729,769,945.66/14,631,144.56 - Step 6: Final answer
x = 12,076,070.27
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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.