Finding the Fourth Proportional to 12,519,893.76, 18,782,534.94 and 3,883,822.08
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Solution
The fourth proportional to 12,519,893.76, 18,782,534.94 and 3,883,822.08 is: 5,826,568.92
Step by Step Solution
- Step 1: Write the proportion equation
12,519,893.76 : 18,782,534.94 = 3,883,822.08 : x - Step 2: Convert to fraction form
12,519,893.76/18,782,534.94 = 3,883,822.08/x - Step 3: Cross multiply
12,519,893.76x = 18,782,534.94 × 3,883,822.08 - Step 4: Simplify right side
12,519,893.76x = 72,948,023,918,343.48 - Step 5: Solve for x
x = 72,948,023,918,343.48/12,519,893.76 - Step 6: Final answer
x = 5,826,568.92
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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.