Finding the Fourth Proportional to 8,083,372.40, 12,128,266.20 and 3,291,412.40
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Solution
The fourth proportional to 8,083,372.40, 12,128,266.20 and 3,291,412.40 is: 4,938,424.68
Step by Step Solution
- Step 1: Write the proportion equation
8,083,372.40 : 12,128,266.20 = 3,291,412.40 : x - Step 2: Convert to fraction form
8,083,372.40/12,128,266.20 = 3,291,412.40/x - Step 3: Cross multiply
8,083,372.40x = 12,128,266.20 × 3,291,412.40 - Step 4: Simplify right side
8,083,372.40x = 39,919,125,761,180.88 - Step 5: Solve for x
x = 39,919,125,761,180.88/8,083,372.40 - Step 6: Final answer
x = 4,938,424.68
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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.