Finding the Fourth Proportional to 11,149,318.20, 16,723,977.30 and 3,968,959.80
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Solution
The fourth proportional to 11,149,318.20, 16,723,977.30 and 3,968,959.80 is: 5,953,439.70
Step by Step Solution
- Step 1: Write the proportion equation
11,149,318.20 : 16,723,977.30 = 3,968,959.80 : x - Step 2: Convert to fraction form
11,149,318.20/16,723,977.30 = 3,968,959.80/x - Step 3: Cross multiply
11,149,318.20x = 16,723,977.30 × 3,968,959.80 - Step 4: Simplify right side
11,149,318.20x = 66,376,793,599,812.54 - Step 5: Solve for x
x = 66,376,793,599,812.54/11,149,318.20 - Step 6: Final answer
x = 5,953,439.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.