Finding the Fourth Proportional to 18,576,232.20, 27,840,728.70 and 8,970,928.20
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Solution
The fourth proportional to 18,576,232.20, 27,840,728.70 and 8,970,928.20 is: 13,444,985.80
Step by Step Solution
- Step 1: Write the proportion equation
18,576,232.20 : 27,840,728.70 = 8,970,928.20 : x - Step 2: Convert to fraction form
18,576,232.20/27,840,728.70 = 8,970,928.20/x - Step 3: Cross multiply
18,576,232.20x = 27,840,728.70 × 8,970,928.20 - Step 4: Simplify right side
18,576,232.20x = 249,757,178,203,379.31 - Step 5: Solve for x
x = 249,757,178,203,379.31/18,576,232.20 - Step 6: Final answer
x = 13,444,985.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.