Finding the Fourth Proportional to 7,843,279.92, 11,766,811.28 and 2,724,964.84
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Solution
The fourth proportional to 7,843,279.92, 11,766,811.28 and 2,724,964.84 is: 4,088,104.38
Step by Step Solution
- Step 1: Write the proportion equation
7,843,279.92 : 11,766,811.28 = 2,724,964.84 : x - Step 2: Convert to fraction form
7,843,279.92/11,766,811.28 = 2,724,964.84/x - Step 3: Cross multiply
7,843,279.92x = 11,766,811.28 × 2,724,964.84 - Step 4: Simplify right side
7,843,279.92x = 32,064,147,017,999.09 - Step 5: Solve for x
x = 32,064,147,017,999.09/7,843,279.92 - Step 6: Final answer
x = 4,088,104.38
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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.