Finding the Fourth Proportional to 38,325,723.40, 57,488,585.10 and 19,159,438.60
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Solution
The fourth proportional to 38,325,723.40, 57,488,585.10 and 19,159,438.60 is: 28,739,157.90
Step by Step Solution
- Step 1: Write the proportion equation
38,325,723.40 : 57,488,585.10 = 19,159,438.60 : x - Step 2: Convert to fraction form
38,325,723.40/57,488,585.10 = 19,159,438.60/x - Step 3: Cross multiply
38,325,723.40x = 57,488,585.10 × 19,159,438.60 - Step 4: Simplify right side
38,325,723.40x = 1,101,449,016,424,325 - Step 5: Solve for x
x = 1,101,449,016,424,325/38,325,723.40 - Step 6: Final answer
x = 28,739,157.90
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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.