Finding the Fourth Proportional to 11,115,472.20, 15,339,351.62 and 6,028,240.20
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Solution
The fourth proportional to 11,115,472.20, 15,339,351.62 and 6,028,240.20 is: 8,318,971.47
Step by Step Solution
- Step 1: Write the proportion equation
11,115,472.20 : 15,339,351.62 = 6,028,240.20 : x - Step 2: Convert to fraction form
11,115,472.20/15,339,351.62 = 6,028,240.20/x - Step 3: Cross multiply
11,115,472.20x = 15,339,351.62 × 6,028,240.20 - Step 4: Simplify right side
11,115,472.20x = 92,469,296,077,619.12 - Step 5: Solve for x
x = 92,469,296,077,619.12/11,115,472.20 - Step 6: Final answer
x = 8,318,971.47
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1.5x scale
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.