Finding the Fourth Proportional to 19,682,540.44, 29,536,979.51 and 8,168,007.31
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Solution
The fourth proportional to 19,682,540.44, 29,536,979.51 and 8,168,007.31 is: 12,257,475.87
Step by Step Solution
- Step 1: Write the proportion equation
19,682,540.44 : 29,536,979.51 = 8,168,007.31 : x - Step 2: Convert to fraction form
19,682,540.44/29,536,979.51 = 8,168,007.31/x - Step 3: Cross multiply
19,682,540.44x = 29,536,979.51 × 8,168,007.31 - Step 4: Simplify right side
19,682,540.44x = 241,258,264,553,000.22 - Step 5: Solve for x
x = 241,258,264,553,000.22/19,682,540.44 - Step 6: Final answer
x = 12,257,475.87
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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.