Finding the Fourth Proportional to 11,969,439.66, 16,517,845.16 and 6,812,801.16
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Solution
The fourth proportional to 11,969,439.66, 16,517,845.16 and 6,812,801.16 is: 9,401,676.09
Step by Step Solution
- Step 1: Write the proportion equation
11,969,439.66 : 16,517,845.16 = 6,812,801.16 : x - Step 2: Convert to fraction form
11,969,439.66/16,517,845.16 = 6,812,801.16/x - Step 3: Cross multiply
11,969,439.66x = 16,517,845.16 × 6,812,801.16 - Step 4: Simplify right side
11,969,439.66x = 112,532,794,634,612.47 - Step 5: Solve for x
x = 112,532,794,634,612.47/11,969,439.66 - Step 6: Final answer
x = 9,401,676.09
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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.