Finding the Fourth Proportional to 13,474,660.23, 20,209,821.57 and 3,759,525.09
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Solution
The fourth proportional to 13,474,660.23, 20,209,821.57 and 3,759,525.09 is: 5,638,682.53
Step by Step Solution
- Step 1: Write the proportion equation
13,474,660.23 : 20,209,821.57 = 3,759,525.09 : x - Step 2: Convert to fraction form
13,474,660.23/20,209,821.57 = 3,759,525.09/x - Step 3: Cross multiply
13,474,660.23x = 20,209,821.57 × 3,759,525.09 - Step 4: Simplify right side
13,474,660.23x = 75,979,331,256,838.19 - Step 5: Solve for x
x = 75,979,331,256,838.19/13,474,660.23 - Step 6: Final answer
x = 5,638,682.53
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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.