Finding the Fourth Proportional to 8,222,398.99, 12,328,604.12 and 4,118,947.90
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Solution
The fourth proportional to 8,222,398.99, 12,328,604.12 and 4,118,947.90 is: 6,175,919.96
Step by Step Solution
- Step 1: Write the proportion equation
8,222,398.99 : 12,328,604.12 = 4,118,947.90 : x - Step 2: Convert to fraction form
8,222,398.99/12,328,604.12 = 4,118,947.90/x - Step 3: Cross multiply
8,222,398.99x = 12,328,604.12 × 4,118,947.90 - Step 4: Simplify right side
8,222,398.99x = 50,780,878,029,481.21 - Step 5: Solve for x
x = 50,780,878,029,481.21/8,222,398.99 - Step 6: Final answer
x = 6,175,919.96
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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.