Finding the Fourth Proportional to 7,146,346.76, 9,862,020.92 and 3,883,161.41
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Solution
The fourth proportional to 7,146,346.76, 9,862,020.92 and 3,883,161.41 is: 5,358,796.65
Step by Step Solution
- Step 1: Write the proportion equation
7,146,346.76 : 9,862,020.92 = 3,883,161.41 : x - Step 2: Convert to fraction form
7,146,346.76/9,862,020.92 = 3,883,161.41/x - Step 3: Cross multiply
7,146,346.76x = 9,862,020.92 × 3,883,161.41 - Step 4: Simplify right side
7,146,346.76x = 38,295,819,095,519.65 - Step 5: Solve for x
x = 38,295,819,095,519.65/7,146,346.76 - Step 6: Final answer
x = 5,358,796.65
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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.