Finding the Fourth Proportional to 18,958,853.19, 28,454,229.24 and 17,763,109.59
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Solution
The fourth proportional to 18,958,853.19, 28,454,229.24 and 17,763,109.59 is: 26,659,607.90
Step by Step Solution
- Step 1: Write the proportion equation
18,958,853.19 : 28,454,229.24 = 17,763,109.59 : x - Step 2: Convert to fraction form
18,958,853.19/28,454,229.24 = 17,763,109.59/x - Step 3: Cross multiply
18,958,853.19x = 28,454,229.24 × 17,763,109.59 - Step 4: Simplify right side
18,958,853.19x = 505,435,592,289,102.38 - Step 5: Solve for x
x = 505,435,592,289,102.38/18,958,853.19 - Step 6: Final answer
x = 26,659,607.90
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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.