Finding the Fourth Proportional to 18,235,448.68, 27,309,338.34 and 10,430,708.26
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Solution
The fourth proportional to 18,235,448.68, 27,309,338.34 and 10,430,708.26 is: 15,620,988.88
Step by Step Solution
- Step 1: Write the proportion equation
18,235,448.68 : 27,309,338.34 = 10,430,708.26 : x - Step 2: Convert to fraction form
18,235,448.68/27,309,338.34 = 10,430,708.26/x - Step 3: Cross multiply
18,235,448.68x = 27,309,338.34 × 10,430,708.26 - Step 4: Simplify right side
18,235,448.68x = 284,855,740,998,172.69 - Step 5: Solve for x
x = 284,855,740,998,172.69/18,235,448.68 - Step 6: Final answer
x = 15,620,988.88
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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.