Finding the Fourth Proportional to 10,368,007.76, 14,307,859.68 and 5,784,330.08
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Solution
The fourth proportional to 10,368,007.76, 14,307,859.68 and 5,784,330.08 is: 7,982,380.52
Step by Step Solution
- Step 1: Write the proportion equation
10,368,007.76 : 14,307,859.68 = 5,784,330.08 : x - Step 2: Convert to fraction form
10,368,007.76/14,307,859.68 = 5,784,330.08/x - Step 3: Cross multiply
10,368,007.76x = 14,307,859.68 × 5,784,330.08 - Step 4: Simplify right side
10,368,007.76x = 82,761,383,127,443.17 - Step 5: Solve for x
x = 82,761,383,127,443.17/10,368,007.76 - Step 6: Final answer
x = 7,982,380.52
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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.