Finding the Fourth Proportional to 16,168,139.20, 24,255,578.40 and 5,388,788.80
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Solution
The fourth proportional to 16,168,139.20, 24,255,578.40 and 5,388,788.80 is: 8,084,306.28
Step by Step Solution
- Step 1: Write the proportion equation
16,168,139.20 : 24,255,578.40 = 5,388,788.80 : x - Step 2: Convert to fraction form
16,168,139.20/24,255,578.40 = 5,388,788.80/x - Step 3: Cross multiply
16,168,139.20x = 24,255,578.40 × 5,388,788.80 - Step 4: Simplify right side
16,168,139.20x = 130,708,189,219,441.91 - Step 5: Solve for x
x = 130,708,189,219,441.91/16,168,139.20 - Step 6: Final answer
x = 8,084,306.28
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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.