Finding the Fourth Proportional to 17,425,432.80, 26,138,149.20 and 8,902,936.80
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Solution
The fourth proportional to 17,425,432.80, 26,138,149.20 and 8,902,936.80 is: 13,354,405.20
Step by Step Solution
- Step 1: Write the proportion equation
17,425,432.80 : 26,138,149.20 = 8,902,936.80 : x - Step 2: Convert to fraction form
17,425,432.80/26,138,149.20 = 8,902,936.80/x - Step 3: Cross multiply
17,425,432.80x = 26,138,149.20 × 8,902,936.80 - Step 4: Simplify right side
17,425,432.80x = 232,706,290,396,570.56 - Step 5: Solve for x
x = 232,706,290,396,570.56/17,425,432.80 - Step 6: Final answer
x = 13,354,405.20
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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.