Finding the Fourth Proportional to 11,787,768.35, 17,681,657.30 and 5,303,270.97
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Solution
The fourth proportional to 11,787,768.35, 17,681,657.30 and 5,303,270.97 is: 7,954,908.60
Step by Step Solution
- Step 1: Write the proportion equation
11,787,768.35 : 17,681,657.30 = 5,303,270.97 : x - Step 2: Convert to fraction form
11,787,768.35/17,681,657.30 = 5,303,270.97/x - Step 3: Cross multiply
11,787,768.35x = 17,681,657.30 × 5,303,270.97 - Step 4: Simplify right side
11,787,768.35x = 93,770,619,834,062.23 - Step 5: Solve for x
x = 93,770,619,834,062.23/11,787,768.35 - Step 6: Final answer
x = 7,954,908.60
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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.