Finding the Fourth Proportional to 18,612,340.68, 25,684,201.95 and 10,770,596.58
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Solution
The fourth proportional to 18,612,340.68, 25,684,201.95 and 10,770,596.58 is: 14,862,944.02
Step by Step Solution
- Step 1: Write the proportion equation
18,612,340.68 : 25,684,201.95 = 10,770,596.58 : x - Step 2: Convert to fraction form
18,612,340.68/25,684,201.95 = 10,770,596.58/x - Step 3: Cross multiply
18,612,340.68x = 25,684,201.95 × 10,770,596.58 - Step 4: Simplify right side
18,612,340.68x = 276,634,177,682,699.31 - Step 5: Solve for x
x = 276,634,177,682,699.31/18,612,340.68 - Step 6: Final answer
x = 14,862,944.02
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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.