Finding the Fourth Proportional to 8,711,757.66, 12,022,568.57 and 4,791,878.49
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Solution
The fourth proportional to 8,711,757.66, 12,022,568.57 and 4,791,878.49 is: 6,612,980.99
Step by Step Solution
- Step 1: Write the proportion equation
8,711,757.66 : 12,022,568.57 = 4,791,878.49 : x - Step 2: Convert to fraction form
8,711,757.66/12,022,568.57 = 4,791,878.49/x - Step 3: Cross multiply
8,711,757.66x = 12,022,568.57 × 4,791,878.49 - Step 4: Simplify right side
8,711,757.66x = 57,610,687,782,197.39 - Step 5: Solve for x
x = 57,610,687,782,197.39/8,711,757.66 - Step 6: Final answer
x = 6,612,980.99
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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.