Finding the Fourth Proportional to 42,287,067.44, 63,425,190.36 and 13,530,797.36
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Solution
The fourth proportional to 42,287,067.44, 63,425,190.36 and 13,530,797.36 is: 20,294,464.72
Step by Step Solution
- Step 1: Write the proportion equation
42,287,067.44 : 63,425,190.36 = 13,530,797.36 : x - Step 2: Convert to fraction form
42,287,067.44/63,425,190.36 = 13,530,797.36/x - Step 3: Cross multiply
42,287,067.44x = 63,425,190.36 × 13,530,797.36 - Step 4: Simplify right side
42,287,067.44x = 858,193,398,280,585.38 - Step 5: Solve for x
x = 858,193,398,280,585.38/42,287,067.44 - Step 6: Final answer
x = 20,294,464.72
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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.