Finding the Fourth Proportional to 13,826,161.26, 19,074,780.99 and 8,660,529.90
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Solution
The fourth proportional to 13,826,161.26, 19,074,780.99 and 8,660,529.90 is: 11,948,197.91
Step by Step Solution
- Step 1: Write the proportion equation
13,826,161.26 : 19,074,780.99 = 8,660,529.90 : x - Step 2: Convert to fraction form
13,826,161.26/19,074,780.99 = 8,660,529.90/x - Step 3: Cross multiply
13,826,161.26x = 19,074,780.99 × 8,660,529.90 - Step 4: Simplify right side
13,826,161.26x = 165,197,711,099,846.59 - Step 5: Solve for x
x = 165,197,711,099,846.59/13,826,161.26 - Step 6: Final answer
x = 11,948,197.91
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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.