Finding the Fourth Proportional to 11,157,453.96, 15,396,441.46 and 6,261,730.53
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Solution
The fourth proportional to 11,157,453.96, 15,396,441.46 and 6,261,730.53 is: 8,640,713.90
Step by Step Solution
- Step 1: Write the proportion equation
11,157,453.96 : 15,396,441.46 = 6,261,730.53 : x - Step 2: Convert to fraction form
11,157,453.96/15,396,441.46 = 6,261,730.53/x - Step 3: Cross multiply
11,157,453.96x = 15,396,441.46 × 6,261,730.53 - Step 4: Simplify right side
11,157,453.96x = 96,408,367,518,108.17 - Step 5: Solve for x
x = 96,408,367,518,108.17/11,157,453.96 - Step 6: Final answer
x = 8,640,713.90
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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.