Finding the Fourth Proportional to 16,795,862.60, 25,193,793.90 and 7,209,609.80
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Solution
The fourth proportional to 16,795,862.60, 25,193,793.90 and 7,209,609.80 is: 10,814,414.70
Step by Step Solution
- Step 1: Write the proportion equation
16,795,862.60 : 25,193,793.90 = 7,209,609.80 : x - Step 2: Convert to fraction form
16,795,862.60/25,193,793.90 = 7,209,609.80/x - Step 3: Cross multiply
16,795,862.60x = 25,193,793.90 × 7,209,609.80 - Step 4: Simplify right side
16,795,862.60x = 181,637,423,400,620.22 - Step 5: Solve for x
x = 181,637,423,400,620.22/16,795,862.60 - Step 6: Final answer
x = 10,814,414.70
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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.