Finding the Fourth Proportional to 32,816,239.99, 45,286,318.22 and 18,131,801.74
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Solution
The fourth proportional to 32,816,239.99, 45,286,318.22 and 18,131,801.74 is: 25,021,835.03
Step by Step Solution
- Step 1: Write the proportion equation
32,816,239.99 : 45,286,318.22 = 18,131,801.74 : x - Step 2: Convert to fraction form
32,816,239.99/45,286,318.22 = 18,131,801.74/x - Step 3: Cross multiply
32,816,239.99x = 45,286,318.22 × 18,131,801.74 - Step 4: Simplify right side
32,816,239.99x = 821,122,543,295,715 - Step 5: Solve for x
x = 821,122,543,295,715/32,816,239.99 - Step 6: Final answer
x = 25,021,835.03
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1.5x scale
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.