Finding the Fourth Proportional to 21,351,352.01, 32,036,787.36 and 11,621,389.01
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Solution
The fourth proportional to 21,351,352.01, 32,036,787.36 and 11,621,389.01 is: 17,437,395.45
Step by Step Solution
- Step 1: Write the proportion equation
21,351,352.01 : 32,036,787.36 = 11,621,389.01 : x - Step 2: Convert to fraction form
21,351,352.01/32,036,787.36 = 11,621,389.01/x - Step 3: Cross multiply
21,351,352.01x = 32,036,787.36 × 11,621,389.01 - Step 4: Simplify right side
21,351,352.01x = 372,311,968,381,027 - Step 5: Solve for x
x = 372,311,968,381,027/21,351,352.01 - Step 6: Final answer
x = 17,437,395.45
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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.