Finding the Fourth Proportional to 13,940,372.07, 20,902,438.84 and 5,410,744.02
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Solution
The fourth proportional to 13,940,372.07, 20,902,438.84 and 5,410,744.02 is: 8,112,964.66
Step by Step Solution
- Step 1: Write the proportion equation
13,940,372.07 : 20,902,438.84 = 5,410,744.02 : x - Step 2: Convert to fraction form
13,940,372.07/20,902,438.84 = 5,410,744.02/x - Step 3: Cross multiply
13,940,372.07x = 20,902,438.84 × 5,410,744.02 - Step 4: Simplify right side
13,940,372.07x = 113,097,745,956,945.73 - Step 5: Solve for x
x = 113,097,745,956,945.73/13,940,372.07 - Step 6: Final answer
x = 8,112,964.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.