Finding the Fourth Proportional to 53,621,874.40, 80,453,806.80 and 19,546,664.80
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Solution
The fourth proportional to 53,621,874.40, 80,453,806.80 and 19,546,664.80 is: 29,327,650.53
Step by Step Solution
- Step 1: Write the proportion equation
53,621,874.40 : 80,453,806.80 = 19,546,664.80 : x - Step 2: Convert to fraction form
53,621,874.40/80,453,806.80 = 19,546,664.80/x - Step 3: Cross multiply
53,621,874.40x = 80,453,806.80 × 19,546,664.80 - Step 4: Simplify right side
53,621,874.40x = 1,572,603,593,403,560.75 - Step 5: Solve for x
x = 1,572,603,593,403,560.75/53,621,874.40 - Step 6: Final answer
x = 29,327,650.53
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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.