Finding the Fourth Proportional to 8,268,376.08, 12,402,536.33 and 2,120,350.94
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Solution
The fourth proportional to 8,268,376.08, 12,402,536.33 and 2,120,350.94 is: 3,180,519.28
Step by Step Solution
- Step 1: Write the proportion equation
8,268,376.08 : 12,402,536.33 = 2,120,350.94 : x - Step 2: Convert to fraction form
8,268,376.08/12,402,536.33 = 2,120,350.94/x - Step 3: Cross multiply
8,268,376.08x = 12,402,536.33 × 2,120,350.94 - Step 4: Simplify right side
8,268,376.08x = 26,297,729,565,699.65 - Step 5: Solve for x
x = 26,297,729,565,699.65/8,268,376.08 - Step 6: Final answer
x = 3,180,519.28
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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.