Finding the Fourth Proportional to 11,078,635.32, 15,291,067.68 and 6,496,432.92
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Solution
The fourth proportional to 11,078,635.32, 15,291,067.68 and 6,496,432.92 is: 8,966,573.28
Step by Step Solution
- Step 1: Write the proportion equation
11,078,635.32 : 15,291,067.68 = 6,496,432.92 : x - Step 2: Convert to fraction form
11,078,635.32/15,291,067.68 = 6,496,432.92/x - Step 3: Cross multiply
11,078,635.32x = 15,291,067.68 × 6,496,432.92 - Step 4: Simplify right side
11,078,635.32x = 99,337,395,458,300.02 - Step 5: Solve for x
x = 99,337,395,458,300.02/11,078,635.32 - Step 6: Final answer
x = 8,966,573.28
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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.