Finding the Fourth Proportional to 17,920,023.20, 26,880,034.80 and 5,952,759.20
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Solution
The fourth proportional to 17,920,023.20, 26,880,034.80 and 5,952,759.20 is: 8,929,138.80
Step by Step Solution
- Step 1: Write the proportion equation
17,920,023.20 : 26,880,034.80 = 5,952,759.20 : x - Step 2: Convert to fraction form
17,920,023.20/26,880,034.80 = 5,952,759.20/x - Step 3: Cross multiply
17,920,023.20x = 26,880,034.80 × 5,952,759.20 - Step 4: Simplify right side
17,920,023.20x = 160,010,374,452,020.16 - Step 5: Solve for x
x = 160,010,374,452,020.16/17,920,023.20 - Step 6: Final answer
x = 8,929,138.80
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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.