Finding the Fourth Proportional to 8,217,411.40, 12,325,183.98 and 3,168,299.08
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Solution
The fourth proportional to 8,217,411.40, 12,325,183.98 and 3,168,299.08 is: 4,752,088.85
Step by Step Solution
- Step 1: Write the proportion equation
8,217,411.40 : 12,325,183.98 = 3,168,299.08 : x - Step 2: Convert to fraction form
8,217,411.40/12,325,183.98 = 3,168,299.08/x - Step 3: Cross multiply
8,217,411.40x = 12,325,183.98 × 3,168,299.08 - Step 4: Simplify right side
8,217,411.40x = 39,049,869,064,664.74 - Step 5: Solve for x
x = 39,049,869,064,664.74/8,217,411.40 - Step 6: Final answer
x = 4,752,088.85
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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.