Finding the Fourth Proportional to 16,954,644.80, 25,431,967.20 and 15,107,067.20
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Solution
The fourth proportional to 16,954,644.80, 25,431,967.20 and 15,107,067.20 is: 22,660,600.80
Step by Step Solution
- Step 1: Write the proportion equation
16,954,644.80 : 25,431,967.20 = 15,107,067.20 : x - Step 2: Convert to fraction form
16,954,644.80/25,431,967.20 = 15,107,067.20/x - Step 3: Cross multiply
16,954,644.80x = 25,431,967.20 × 15,107,067.20 - Step 4: Simplify right side
16,954,644.80x = 384,202,437,518,595.81 - Step 5: Solve for x
x = 384,202,437,518,595.81/16,954,644.80 - Step 6: Final answer
x = 22,660,600.80
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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.