Finding the Fourth Proportional to 38,759,734.38, 53,489,644.73 and 22,242,880.26
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Solution
The fourth proportional to 38,759,734.38, 53,489,644.73 and 22,242,880.26 is: 30,695,869.87
Step by Step Solution
- Step 1: Write the proportion equation
38,759,734.38 : 53,489,644.73 = 22,242,880.26 : x - Step 2: Convert to fraction form
38,759,734.38/53,489,644.73 = 22,242,880.26/x - Step 3: Cross multiply
38,759,734.38x = 53,489,644.73 × 22,242,880.26 - Step 4: Simplify right side
38,759,734.38x = 1,189,763,762,768,115.75 - Step 5: Solve for x
x = 1,189,763,762,768,115.75/38,759,734.38 - Step 6: Final answer
x = 30,695,869.87
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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.