Finding the Fourth Proportional to 18,677,226.08, 28,016,697.72 and 5,722,448.96
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Solution
The fourth proportional to 18,677,226.08, 28,016,697.72 and 5,722,448.96 is: 8,583,936.50
Step by Step Solution
- Step 1: Write the proportion equation
18,677,226.08 : 28,016,697.72 = 5,722,448.96 : x - Step 2: Convert to fraction form
18,677,226.08/28,016,697.72 = 5,722,448.96/x - Step 3: Cross multiply
18,677,226.08x = 28,016,697.72 × 5,722,448.96 - Step 4: Simplify right side
18,677,226.08x = 160,324,122,730,448.38 - Step 5: Solve for x
x = 160,324,122,730,448.38/18,677,226.08 - Step 6: Final answer
x = 8,583,936.50
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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.