Finding the Fourth Proportional to 11,157,454.52, 15,396,442.24 and 6,261,731.09
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Solution
The fourth proportional to 11,157,454.52, 15,396,442.24 and 6,261,731.09 is: 8,640,714.68
Step by Step Solution
- Step 1: Write the proportion equation
11,157,454.52 : 15,396,442.24 = 6,261,731.09 : x - Step 2: Convert to fraction form
11,157,454.52/15,396,442.24 = 6,261,731.09/x - Step 3: Cross multiply
11,157,454.52x = 15,396,442.24 × 6,261,731.09 - Step 4: Simplify right side
11,157,454.52x = 96,408,381,026,438.11 - Step 5: Solve for x
x = 96,408,381,026,438.11/11,157,454.52 - Step 6: Final answer
x = 8,640,714.68
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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.