Finding the Fourth Proportional to 18,445,233.60, 27,667,850.40 and 5,665,717.80
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Solution
The fourth proportional to 18,445,233.60, 27,667,850.40 and 5,665,717.80 is: 8,498,576.70
Step by Step Solution
- Step 1: Write the proportion equation
18,445,233.60 : 27,667,850.40 = 5,665,717.80 : x - Step 2: Convert to fraction form
18,445,233.60/27,667,850.40 = 5,665,717.80/x - Step 3: Cross multiply
18,445,233.60x = 27,667,850.40 × 5,665,717.80 - Step 4: Simplify right side
18,445,233.60x = 156,758,232,499,017.09 - Step 5: Solve for x
x = 156,758,232,499,017.09/18,445,233.60 - Step 6: Final answer
x = 8,498,576.70
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1.5x scale
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.