Finding the Fourth Proportional to 28,444,763.68, 42,677,121.84 and 8,251,217.44
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Solution
The fourth proportional to 28,444,763.68, 42,677,121.84 and 8,251,217.44 is: 12,379,720.08
Step by Step Solution
- Step 1: Write the proportion equation
28,444,763.68 : 42,677,121.84 = 8,251,217.44 : x - Step 2: Convert to fraction form
28,444,763.68/42,677,121.84 = 8,251,217.44/x - Step 3: Cross multiply
28,444,763.68x = 42,677,121.84 × 8,251,217.44 - Step 4: Simplify right side
28,444,763.68x = 352,138,212,015,212.94 - Step 5: Solve for x
x = 352,138,212,015,212.94/28,444,763.68 - Step 6: Final answer
x = 12,379,720.08
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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.