Finding the Fourth Proportional to 23,248,687.68, 32,087,629.71 and 15,394,354.20
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Solution
The fourth proportional to 23,248,687.68, 32,087,629.71 and 15,394,354.20 is: 21,247,149.26
Step by Step Solution
- Step 1: Write the proportion equation
23,248,687.68 : 32,087,629.71 = 15,394,354.20 : x - Step 2: Convert to fraction form
23,248,687.68/32,087,629.71 = 15,394,354.20/x - Step 3: Cross multiply
23,248,687.68x = 32,087,629.71 × 15,394,354.20 - Step 4: Simplify right side
23,248,687.68x = 493,968,337,194,183.25 - Step 5: Solve for x
x = 493,968,337,194,183.25/23,248,687.68 - Step 6: Final answer
x = 21,247,149.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.