Finding the Fourth Proportional to 16,966,922.80, 25,446,596.75 and 7,867,838.07
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Solution
The fourth proportional to 16,966,922.80, 25,446,596.75 and 7,867,838.07 is: 11,800,000.80
Step by Step Solution
- Step 1: Write the proportion equation
16,966,922.80 : 25,446,596.75 = 7,867,838.07 : x - Step 2: Convert to fraction form
16,966,922.80/25,446,596.75 = 7,867,838.07/x - Step 3: Cross multiply
16,966,922.80x = 25,446,596.75 × 7,867,838.07 - Step 4: Simplify right side
16,966,922.80x = 200,209,702,622,249.09 - Step 5: Solve for x
x = 200,209,702,622,249.09/16,966,922.80 - Step 6: Final answer
x = 11,800,000.80
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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.