Finding the Fourth Proportional to 7,928,023.68, 11,893,806.99 and 2,536,997.61
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Solution
The fourth proportional to 7,928,023.68, 11,893,806.99 and 2,536,997.61 is: 3,806,063.29
Step by Step Solution
- Step 1: Write the proportion equation
7,928,023.68 : 11,893,806.99 = 2,536,997.61 : x - Step 2: Convert to fraction form
7,928,023.68/11,893,806.99 = 2,536,997.61/x - Step 3: Cross multiply
7,928,023.68x = 11,893,806.99 × 2,536,997.61 - Step 4: Simplify right side
7,928,023.68x = 30,174,559,907,431.29 - Step 5: Solve for x
x = 30,174,559,907,431.29/7,928,023.68 - Step 6: Final answer
x = 3,806,063.29
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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.