Finding the Fourth Proportional to 11,203,625.70, 16,805,438.55 and 11,203,625.70
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Solution
The fourth proportional to 11,203,625.70, 16,805,438.55 and 11,203,625.70 is: 16,805,438.55
Step by Step Solution
- Step 1: Write the proportion equation
11,203,625.70 : 16,805,438.55 = 11,203,625.70 : x - Step 2: Convert to fraction form
11,203,625.70/16,805,438.55 = 11,203,625.70/x - Step 3: Cross multiply
11,203,625.70x = 16,805,438.55 × 11,203,625.70 - Step 4: Simplify right side
11,203,625.70x = 188,281,843,238,550.72 - Step 5: Solve for x
x = 188,281,843,238,550.72/11,203,625.70 - Step 6: Final answer
x = 16,805,438.55
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1.5x scale
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.