Finding the Fourth Proportional to 17,848,568.21, 26,772,861.29 and 11,781,882.05
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Solution
The fourth proportional to 17,848,568.21, 26,772,861.29 and 11,781,882.05 is: 17,672,828.99
Step by Step Solution
- Step 1: Write the proportion equation
17,848,568.21 : 26,772,861.29 = 11,781,882.05 : x - Step 2: Convert to fraction form
17,848,568.21/26,772,861.29 = 11,781,882.05/x - Step 3: Cross multiply
17,848,568.21x = 26,772,861.29 × 11,781,882.05 - Step 4: Simplify right side
17,848,568.21x = 315,434,693,667,017.12 - Step 5: Solve for x
x = 315,434,693,667,017.12/17,848,568.21 - Step 6: Final answer
x = 17,672,828.99
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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.