Finding the Fourth Proportional to 7,722,652.44, 11,584,659.51 and 2,865,015.21
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Solution
The fourth proportional to 7,722,652.44, 11,584,659.51 and 2,865,015.21 is: 4,297,775.40
Step by Step Solution
- Step 1: Write the proportion equation
7,722,652.44 : 11,584,659.51 = 2,865,015.21 : x - Step 2: Convert to fraction form
7,722,652.44/11,584,659.51 = 2,865,015.21/x - Step 3: Cross multiply
7,722,652.44x = 11,584,659.51 × 2,865,015.21 - Step 4: Simplify right side
7,722,652.44x = 33,190,225,698,821.14 - Step 5: Solve for x
x = 33,190,225,698,821.14/7,722,652.44 - Step 6: Final answer
x = 4,297,775.40
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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.