Finding the Fourth Proportional to 28,775,995.26, 43,194,720.24 and 12,389,394.75
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Solution
The fourth proportional to 28,775,995.26, 43,194,720.24 and 12,389,394.75 is: 18,597,321.67
Step by Step Solution
- Step 1: Write the proportion equation
28,775,995.26 : 43,194,720.24 = 12,389,394.75 : x - Step 2: Convert to fraction form
28,775,995.26/43,194,720.24 = 12,389,394.75/x - Step 3: Cross multiply
28,775,995.26x = 43,194,720.24 × 12,389,394.75 - Step 4: Simplify right side
28,775,995.26x = 535,156,440,169,174.75 - Step 5: Solve for x
x = 535,156,440,169,174.75/28,775,995.26 - Step 6: Final answer
x = 18,597,321.67
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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.