Finding the Fourth Proportional to 7,184,273.84, 9,914,157.36 and 3,921,111.95
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Solution
The fourth proportional to 7,184,273.84, 9,914,157.36 and 3,921,111.95 is: 5,411,057.79
Step by Step Solution
- Step 1: Write the proportion equation
7,184,273.84 : 9,914,157.36 = 3,921,111.95 : x - Step 2: Convert to fraction form
7,184,273.84/9,914,157.36 = 3,921,111.95/x - Step 3: Cross multiply
7,184,273.84x = 9,914,157.36 × 3,921,111.95 - Step 4: Simplify right side
7,184,273.84x = 38,874,520,923,261.84 - Step 5: Solve for x
x = 38,874,520,923,261.84/7,184,273.84 - Step 6: Final answer
x = 5,411,057.79
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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.