Finding the Fourth Proportional to 13,747,803.13, 20,621,701.62 and 3,512,682.09
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Solution
The fourth proportional to 13,747,803.13, 20,621,701.62 and 3,512,682.09 is: 5,269,022.34
Step by Step Solution
- Step 1: Write the proportion equation
13,747,803.13 : 20,621,701.62 = 3,512,682.09 : x - Step 2: Convert to fraction form
13,747,803.13/20,621,701.62 = 3,512,682.09/x - Step 3: Cross multiply
13,747,803.13x = 20,621,701.62 × 3,512,682.09 - Step 4: Simplify right side
13,747,803.13x = 72,437,481,842,789.48 - Step 5: Solve for x
x = 72,437,481,842,789.48/13,747,803.13 - Step 6: Final answer
x = 5,269,022.34
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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.