Finding the Fourth Proportional to 13,757,793.76, 20,636,738.64 and 4,173,254.88
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Solution
The fourth proportional to 13,757,793.76, 20,636,738.64 and 4,173,254.88 is: 6,259,896.88
Step by Step Solution
- Step 1: Write the proportion equation
13,757,793.76 : 20,636,738.64 = 4,173,254.88 : x - Step 2: Convert to fraction form
13,757,793.76/20,636,738.64 = 4,173,254.88/x - Step 3: Cross multiply
13,757,793.76x = 20,636,738.64 × 4,173,254.88 - Step 4: Simplify right side
13,757,793.76x = 86,122,370,236,664.56 - Step 5: Solve for x
x = 86,122,370,236,664.56/13,757,793.76 - Step 6: Final answer
x = 6,259,896.88
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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.