Finding the Fourth Proportional to 7,770,960.94, 10,722,588.08 and 4,982,522.73
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Solution
The fourth proportional to 7,770,960.94, 10,722,588.08 and 4,982,522.73 is: 6,875,023.46
Step by Step Solution
- Step 1: Write the proportion equation
7,770,960.94 : 10,722,588.08 = 4,982,522.73 : x - Step 2: Convert to fraction form
7,770,960.94/10,722,588.08 = 4,982,522.73/x - Step 3: Cross multiply
7,770,960.94x = 10,722,588.08 × 4,982,522.73 - Step 4: Simplify right side
7,770,960.94x = 53,425,538,795,931.43 - Step 5: Solve for x
x = 53,425,538,795,931.43/7,770,960.94 - Step 6: Final answer
x = 6,875,023.46
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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.