Finding the Fourth Proportional to 21,351,306.44, 32,036,719.15 and 11,621,343.44
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Solution
The fourth proportional to 21,351,306.44, 32,036,719.15 and 11,621,343.44 is: 17,437,327.17
Step by Step Solution
- Step 1: Write the proportion equation
21,351,306.44 : 32,036,719.15 = 11,621,343.44 : x - Step 2: Convert to fraction form
21,351,306.44/32,036,719.15 = 11,621,343.44/x - Step 3: Cross multiply
21,351,306.44x = 32,036,719.15 × 11,621,343.44 - Step 4: Simplify right side
21,351,306.44x = 372,309,715,932,974.81 - Step 5: Solve for x
x = 372,309,715,932,974.81/21,351,306.44 - Step 6: Final answer
x = 17,437,327.17
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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.