Finding the Fourth Proportional to 12,225,408.40, 18,338,112.60 and 3,704,637.70
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Solution
The fourth proportional to 12,225,408.40, 18,338,112.60 and 3,704,637.70 is: 5,556,956.55
Step by Step Solution
- Step 1: Write the proportion equation
12,225,408.40 : 18,338,112.60 = 3,704,637.70 : x - Step 2: Convert to fraction form
12,225,408.40/18,338,112.60 = 3,704,637.70/x - Step 3: Cross multiply
12,225,408.40x = 18,338,112.60 × 3,704,637.70 - Step 4: Simplify right side
12,225,408.40x = 67,936,063,284,805.03 - Step 5: Solve for x
x = 67,936,063,284,805.03/12,225,408.40 - Step 6: Final answer
x = 5,556,956.55
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Similar ratio
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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.