Finding the Fourth Proportional to 7,293,282.21, 10,940,351.40 and 2,744,370.45
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Solution
The fourth proportional to 7,293,282.21, 10,940,351.40 and 2,744,370.45 is: 4,116,716.76
Step by Step Solution
- Step 1: Write the proportion equation
7,293,282.21 : 10,940,351.40 = 2,744,370.45 : x - Step 2: Convert to fraction form
7,293,282.21/10,940,351.40 = 2,744,370.45/x - Step 3: Cross multiply
7,293,282.21x = 10,940,351.40 × 2,744,370.45 - Step 4: Simplify right side
7,293,282.21x = 30,024,377,094,776.13 - Step 5: Solve for x
x = 30,024,377,094,776.13/7,293,282.21 - Step 6: Final answer
x = 4,116,716.76
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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.