Finding the Fourth Proportional to 13,105,423.71, 19,656,806.94 and 3,519,556.68
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Solution
The fourth proportional to 13,105,423.71, 19,656,806.94 and 3,519,556.68 is: 5,278,978.21
Step by Step Solution
- Step 1: Write the proportion equation
13,105,423.71 : 19,656,806.94 = 3,519,556.68 : x - Step 2: Convert to fraction form
13,105,423.71/19,656,806.94 = 3,519,556.68/x - Step 3: Cross multiply
13,105,423.71x = 19,656,806.94 × 3,519,556.68 - Step 4: Simplify right side
13,105,423.71x = 69,183,246,173,147.37 - Step 5: Solve for x
x = 69,183,246,173,147.37/13,105,423.71 - Step 6: Final answer
x = 5,278,978.21
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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.