Finding the Fourth Proportional to 17,984,416.10, 26,985,481.70 and 8,398,401.44
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Solution
The fourth proportional to 17,984,416.10, 26,985,481.70 and 8,398,401.44 is: 12,601,738.47
Step by Step Solution
- Step 1: Write the proportion equation
17,984,416.10 : 26,985,481.70 = 8,398,401.44 : x - Step 2: Convert to fraction form
17,984,416.10/26,985,481.70 = 8,398,401.44/x - Step 3: Cross multiply
17,984,416.10x = 26,985,481.70 × 8,398,401.44 - Step 4: Simplify right side
17,984,416.10x = 226,634,908,191,454.25 - Step 5: Solve for x
x = 226,634,908,191,454.25/17,984,416.10 - Step 6: Final answer
x = 12,601,738.47
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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.