Finding the Fourth Proportional to 18,641,197.20, 27,925,972.56 and 11,431,708
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Solution
The fourth proportional to 18,641,197.20, 27,925,972.56 and 11,431,708 is: 17,125,593.41
Step by Step Solution
- Step 1: Write the proportion equation
18,641,197.20 : 27,925,972.56 = 11,431,708 : x - Step 2: Convert to fraction form
18,641,197.20/27,925,972.56 = 11,431,708/x - Step 3: Cross multiply
18,641,197.20x = 27,925,972.56 × 11,431,708 - Step 4: Simplify right side
18,641,197.20x = 319,241,563,921,932.44 - Step 5: Solve for x
x = 319,241,563,921,932.44/18,641,197.20 - Step 6: Final answer
x = 17,125,593.41
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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.