Finding the Fourth Proportional to 8,870,423.70, 13,305,635.55 and 4,618,895.70
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Solution
The fourth proportional to 8,870,423.70, 13,305,635.55 and 4,618,895.70 is: 6,928,343.55
Step by Step Solution
- Step 1: Write the proportion equation
8,870,423.70 : 13,305,635.55 = 4,618,895.70 : x - Step 2: Convert to fraction form
8,870,423.70/13,305,635.55 = 4,618,895.70/x - Step 3: Cross multiply
8,870,423.70x = 13,305,635.55 × 4,618,895.70 - Step 4: Simplify right side
8,870,423.70x = 61,457,342,827,662.14 - Step 5: Solve for x
x = 61,457,342,827,662.14/8,870,423.70 - Step 6: Final answer
x = 6,928,343.55
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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.