Finding the Fourth Proportional to 13,545,560.07, 18,701,627.90 and 8,394,387.75
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Solution
The fourth proportional to 13,545,560.07, 18,701,627.90 and 8,394,387.75 is: 11,589,680.70
Step by Step Solution
- Step 1: Write the proportion equation
13,545,560.07 : 18,701,627.90 = 8,394,387.75 : x - Step 2: Convert to fraction form
13,545,560.07/18,701,627.90 = 8,394,387.75/x - Step 3: Cross multiply
13,545,560.07x = 18,701,627.90 × 8,394,387.75 - Step 4: Simplify right side
13,545,560.07x = 156,988,716,106,846.28 - Step 5: Solve for x
x = 156,988,716,106,846.28/13,545,560.07 - Step 6: Final answer
x = 11,589,680.70
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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.