Finding the Fourth Proportional to 12,361,744.08, 17,059,179.42 and 6,854,982.84
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Solution
The fourth proportional to 12,361,744.08, 17,059,179.42 and 6,854,982.84 is: 9,459,861.12
Step by Step Solution
- Step 1: Write the proportion equation
12,361,744.08 : 17,059,179.42 = 6,854,982.84 : x - Step 2: Convert to fraction form
12,361,744.08/17,059,179.42 = 6,854,982.84/x - Step 3: Cross multiply
12,361,744.08x = 17,059,179.42 × 6,854,982.84 - Step 4: Simplify right side
12,361,744.08x = 116,940,382,188,581.16 - Step 5: Solve for x
x = 116,940,382,188,581.16/12,361,744.08 - Step 6: Final answer
x = 9,459,861.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.