Finding the Fourth Proportional to 7,395,639.70, 10,205,786.99 and 4,132,481.24
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Solution
The fourth proportional to 7,395,639.70, 10,205,786.99 and 4,132,481.24 is: 5,702,714.71
Step by Step Solution
- Step 1: Write the proportion equation
7,395,639.70 : 10,205,786.99 = 4,132,481.24 : x - Step 2: Convert to fraction form
7,395,639.70/10,205,786.99 = 4,132,481.24/x - Step 3: Cross multiply
7,395,639.70x = 10,205,786.99 × 4,132,481.24 - Step 4: Simplify right side
7,395,639.70x = 42,175,223,275,611.07 - Step 5: Solve for x
x = 42,175,223,275,611.07/7,395,639.70 - Step 6: Final answer
x = 5,702,714.71
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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.