Finding the Fourth Proportional to 17,486,282.60, 26,231,392.20 and 5,355,649.70
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Solution
The fourth proportional to 17,486,282.60, 26,231,392.20 and 5,355,649.70 is: 8,034,077.40
Step by Step Solution
- Step 1: Write the proportion equation
17,486,282.60 : 26,231,392.20 = 5,355,649.70 : x - Step 2: Convert to fraction form
17,486,282.60/26,231,392.20 = 5,355,649.70/x - Step 3: Cross multiply
17,486,282.60x = 26,231,392.20 × 5,355,649.70 - Step 4: Simplify right side
17,486,282.60x = 140,486,147,766,512.34 - Step 5: Solve for x
x = 140,486,147,766,512.34/17,486,282.60 - Step 6: Final answer
x = 8,034,077.40
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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.