Finding the Fourth Proportional to 8,486,319.36, 11,711,408.22 and 4,618,980.84
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Solution
The fourth proportional to 8,486,319.36, 11,711,408.22 and 4,618,980.84 is: 6,374,350.04
Step by Step Solution
- Step 1: Write the proportion equation
8,486,319.36 : 11,711,408.22 = 4,618,980.84 : x - Step 2: Convert to fraction form
8,486,319.36/11,711,408.22 = 4,618,980.84/x - Step 3: Cross multiply
8,486,319.36x = 11,711,408.22 × 4,618,980.84 - Step 4: Simplify right side
8,486,319.36x = 54,094,770,177,598.51 - Step 5: Solve for x
x = 54,094,770,177,598.51/8,486,319.36 - Step 6: Final answer
x = 6,374,350.04
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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.