Finding the Fourth Proportional to 7,146,324.03, 9,861,905.69 and 3,883,148.71
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Solution
The fourth proportional to 7,146,324.03, 9,861,905.69 and 3,883,148.71 is: 5,358,733.56
Step by Step Solution
- Step 1: Write the proportion equation
7,146,324.03 : 9,861,905.69 = 3,883,148.71 : x - Step 2: Convert to fraction form
7,146,324.03/9,861,905.69 = 3,883,148.71/x - Step 3: Cross multiply
7,146,324.03x = 9,861,905.69 × 3,883,148.71 - Step 4: Simplify right side
7,146,324.03x = 38,295,246,373,212.05 - Step 5: Solve for x
x = 38,295,246,373,212.05/7,146,324.03 - Step 6: Final answer
x = 5,358,733.56
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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.