Finding the Fourth Proportional to 20,094,757.10, 27,729,927.42 and 11,393,518.40
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Solution
The fourth proportional to 20,094,757.10, 27,729,927.42 and 11,393,518.40 is: 15,722,580.61
Step by Step Solution
- Step 1: Write the proportion equation
20,094,757.10 : 27,729,927.42 = 11,393,518.40 : x - Step 2: Convert to fraction form
20,094,757.10/27,729,927.42 = 11,393,518.40/x - Step 3: Cross multiply
20,094,757.10x = 27,729,927.42 × 11,393,518.40 - Step 4: Simplify right side
20,094,757.10x = 315,941,438,290,434.56 - Step 5: Solve for x
x = 315,941,438,290,434.56/20,094,757.10 - Step 6: Final answer
x = 15,722,580.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.