Finding the Fourth Proportional to 17,770,220.20, 26,655,330.30 and 8,793,605.80
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Solution
The fourth proportional to 17,770,220.20, 26,655,330.30 and 8,793,605.80 is: 13,190,408.70
Step by Step Solution
- Step 1: Write the proportion equation
17,770,220.20 : 26,655,330.30 = 8,793,605.80 : x - Step 2: Convert to fraction form
17,770,220.20/26,655,330.30 = 8,793,605.80/x - Step 3: Cross multiply
17,770,220.20x = 26,655,330.30 × 8,793,605.80 - Step 4: Simplify right side
17,770,220.20x = 234,396,467,126,995.78 - Step 5: Solve for x
x = 234,396,467,126,995.78/17,770,220.20 - Step 6: Final answer
x = 13,190,408.70
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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.