Finding the Fourth Proportional to 8,612,442.24, 11,882,704.20 and 5,124,866.28
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Solution
The fourth proportional to 8,612,442.24, 11,882,704.20 and 5,124,866.28 is: 7,070,848.01
Step by Step Solution
- Step 1: Write the proportion equation
8,612,442.24 : 11,882,704.20 = 5,124,866.28 : x - Step 2: Convert to fraction form
8,612,442.24/11,882,704.20 = 5,124,866.28/x - Step 3: Cross multiply
8,612,442.24x = 11,882,704.20 × 5,124,866.28 - Step 4: Simplify right side
8,612,442.24x = 60,897,270,069,794.38 - Step 5: Solve for x
x = 60,897,270,069,794.38/8,612,442.24 - Step 6: Final answer
x = 7,070,848.01
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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.