Finding the Fourth Proportional to 25,285,354.28, 34,893,880.80 and 13,682,916.44
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Solution
The fourth proportional to 25,285,354.28, 34,893,880.80 and 13,682,916.44 is: 18,882,474.41
Step by Step Solution
- Step 1: Write the proportion equation
25,285,354.28 : 34,893,880.80 = 13,682,916.44 : x - Step 2: Convert to fraction form
25,285,354.28/34,893,880.80 = 13,682,916.44/x - Step 3: Cross multiply
25,285,354.28x = 34,893,880.80 × 13,682,916.44 - Step 4: Simplify right side
25,285,354.28x = 477,450,055,253,720.31 - Step 5: Solve for x
x = 477,450,055,253,720.31/25,285,354.28 - Step 6: Final answer
x = 18,882,474.41
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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.