Finding the Fourth Proportional to 11,465,854.02, 17,198,780.99 and 4,179,860.19
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Solution
The fourth proportional to 11,465,854.02, 17,198,780.99 and 4,179,860.19 is: 6,269,790.27
Step by Step Solution
- Step 1: Write the proportion equation
11,465,854.02 : 17,198,780.99 = 4,179,860.19 : x - Step 2: Convert to fraction form
11,465,854.02/17,198,780.99 = 4,179,860.19/x - Step 3: Cross multiply
11,465,854.02x = 17,198,780.99 × 4,179,860.19 - Step 4: Simplify right side
11,465,854.02x = 71,888,499,976,629.78 - Step 5: Solve for x
x = 71,888,499,976,629.78/11,465,854.02 - Step 6: Final answer
x = 6,269,790.27
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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.