Finding the Fourth Proportional to 17,486,569.80, 26,229,854.70 and 5,519,305.80
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Solution
The fourth proportional to 17,486,569.80, 26,229,854.70 and 5,519,305.80 is: 8,278,958.70
Step by Step Solution
- Step 1: Write the proportion equation
17,486,569.80 : 26,229,854.70 = 5,519,305.80 : x - Step 2: Convert to fraction form
17,486,569.80/26,229,854.70 = 5,519,305.80/x - Step 3: Cross multiply
17,486,569.80x = 26,229,854.70 × 5,519,305.80 - Step 4: Simplify right side
17,486,569.80x = 144,770,589,178,867.25 - Step 5: Solve for x
x = 144,770,589,178,867.25/17,486,569.80 - Step 6: Final answer
x = 8,278,958.70
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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.