Finding the Fourth Proportional to 11,226,235.02, 15,491,047.41 and 8,287,615.05
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Solution
The fourth proportional to 11,226,235.02, 15,491,047.41 and 8,287,615.05 is: 11,436,054.69
Step by Step Solution
- Step 1: Write the proportion equation
11,226,235.02 : 15,491,047.41 = 8,287,615.05 : x - Step 2: Convert to fraction form
11,226,235.02/15,491,047.41 = 8,287,615.05/x - Step 3: Cross multiply
11,226,235.02x = 15,491,047.41 × 8,287,615.05 - Step 4: Simplify right side
11,226,235.02x = 128,383,837,655,379.52 - Step 5: Solve for x
x = 128,383,837,655,379.52/11,226,235.02 - Step 6: Final answer
x = 11,436,054.69
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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.