Finding the Fourth Proportional to 11,415,386.93, 17,121,350.28 and 3,106,837.87
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Solution
The fourth proportional to 11,415,386.93, 17,121,350.28 and 3,106,837.87 is: 4,659,785.94
Step by Step Solution
- Step 1: Write the proportion equation
11,415,386.93 : 17,121,350.28 = 3,106,837.87 : x - Step 2: Convert to fraction form
11,415,386.93/17,121,350.28 = 3,106,837.87/x - Step 3: Cross multiply
11,415,386.93x = 17,121,350.28 × 3,106,837.87 - Step 4: Simplify right side
11,415,386.93x = 53,193,259,491,834.90 - Step 5: Solve for x
x = 53,193,259,491,834.90/11,415,386.93 - Step 6: Final answer
x = 4,659,785.94
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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.