Finding the Fourth Proportional to 20,046,057.72, 27,649,266.34 and 18,397,516.56
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Solution
The fourth proportional to 20,046,057.72, 27,649,266.34 and 18,397,516.56 is: 25,375,454.99
Step by Step Solution
- Step 1: Write the proportion equation
20,046,057.72 : 27,649,266.34 = 18,397,516.56 : x - Step 2: Convert to fraction form
20,046,057.72/27,649,266.34 = 18,397,516.56/x - Step 3: Cross multiply
20,046,057.72x = 27,649,266.34 × 18,397,516.56 - Step 4: Simplify right side
20,046,057.72x = 508,677,835,362,000.56 - Step 5: Solve for x
x = 508,677,835,362,000.56/20,046,057.72 - Step 6: Final answer
x = 25,375,454.99
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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.