Finding the Fourth Proportional to 39,091,338.24, 58,640,739.84 and 12,157,762.56
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Solution
The fourth proportional to 39,091,338.24, 58,640,739.84 and 12,157,762.56 is: 18,237,804.68
Step by Step Solution
- Step 1: Write the proportion equation
39,091,338.24 : 58,640,739.84 = 12,157,762.56 : x - Step 2: Convert to fraction form
39,091,338.24/58,640,739.84 = 12,157,762.56/x - Step 3: Cross multiply
39,091,338.24x = 58,640,739.84 × 12,157,762.56 - Step 4: Simplify right side
39,091,338.24x = 712,940,191,317,452.50 - Step 5: Solve for x
x = 712,940,191,317,452.50/39,091,338.24 - Step 6: Final answer
x = 18,237,804.68
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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.