Finding the Fourth Proportional to 15,380,190.33, 21,224,242.76 and 8,504,437.29
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Solution
The fourth proportional to 15,380,190.33, 21,224,242.76 and 8,504,437.29 is: 11,735,891.28
Step by Step Solution
- Step 1: Write the proportion equation
15,380,190.33 : 21,224,242.76 = 8,504,437.29 : x - Step 2: Convert to fraction form
15,380,190.33/21,224,242.76 = 8,504,437.29/x - Step 3: Cross multiply
15,380,190.33x = 21,224,242.76 × 8,504,437.29 - Step 4: Simplify right side
15,380,190.33x = 180,500,241,537,634.31 - Step 5: Solve for x
x = 180,500,241,537,634.31/15,380,190.33 - Step 6: Final answer
x = 11,735,891.28
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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.