Finding the Fourth Proportional to 18,627,171.84, 27,940,767.48 and 8,380,065.96
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Solution
The fourth proportional to 18,627,171.84, 27,940,767.48 and 8,380,065.96 is: 12,570,103.31
Step by Step Solution
- Step 1: Write the proportion equation
18,627,171.84 : 27,940,767.48 = 8,380,065.96 : x - Step 2: Convert to fraction form
18,627,171.84/27,940,767.48 = 8,380,065.96/x - Step 3: Cross multiply
18,627,171.84x = 27,940,767.48 × 8,380,065.96 - Step 4: Simplify right side
18,627,171.84x = 234,145,474,455,422.97 - Step 5: Solve for x
x = 234,145,474,455,422.97/18,627,171.84 - Step 6: Final answer
x = 12,570,103.31
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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.