Finding the Fourth Proportional to 15,747,621.26, 21,731,717.21 and 8,504,277.26
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Solution
The fourth proportional to 15,747,621.26, 21,731,717.21 and 8,504,277.26 is: 11,735,902.54
Step by Step Solution
- Step 1: Write the proportion equation
15,747,621.26 : 21,731,717.21 = 8,504,277.26 : x - Step 2: Convert to fraction form
15,747,621.26/21,731,717.21 = 8,504,277.26/x - Step 3: Cross multiply
15,747,621.26x = 21,731,717.21 × 8,504,277.26 - Step 4: Simplify right side
15,747,621.26x = 184,812,548,338,573.69 - Step 5: Solve for x
x = 184,812,548,338,573.69/15,747,621.26 - Step 6: Final answer
x = 11,735,902.54
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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.