Finding the Fourth Proportional to 13,236,265.56, 19,855,542.02 and 3,651,644.08
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Solution
The fourth proportional to 13,236,265.56, 19,855,542.02 and 3,651,644.08 is: 5,477,781.64
Step by Step Solution
- Step 1: Write the proportion equation
13,236,265.56 : 19,855,542.02 = 3,651,644.08 : x - Step 2: Convert to fraction form
13,236,265.56/19,855,542.02 = 3,651,644.08/x - Step 3: Cross multiply
13,236,265.56x = 19,855,542.02 × 3,651,644.08 - Step 4: Simplify right side
13,236,265.56x = 72,505,372,472,524.23 - Step 5: Solve for x
x = 72,505,372,472,524.23/13,236,265.56 - Step 6: Final answer
x = 5,477,781.64
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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.