Finding the Fourth Proportional to 18,644,579.41, 25,730,812.74 and 11,302,722.01
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Solution
The fourth proportional to 18,644,579.41, 25,730,812.74 and 11,302,722.01 is: 15,598,540.31
Step by Step Solution
- Step 1: Write the proportion equation
18,644,579.41 : 25,730,812.74 = 11,302,722.01 : x - Step 2: Convert to fraction form
18,644,579.41/25,730,812.74 = 11,302,722.01/x - Step 3: Cross multiply
18,644,579.41x = 25,730,812.74 × 11,302,722.01 - Step 4: Simplify right side
18,644,579.41x = 290,828,223,491,586.38 - Step 5: Solve for x
x = 290,828,223,491,586.38/18,644,579.41 - Step 6: Final answer
x = 15,598,540.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.