Home / 5,376,143.20-8,064,214.80-2,009,912.80

Finding the Fourth Proportional to 5,376,143.20, 8,064,214.80 and 2,009,912.80

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Solution

The fourth proportional to 5,376,143.20, 8,064,214.80 and 2,009,912.80 is: 3,014,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,143.20 : 8,064,214.80 = 2,009,912.80 : x
  2. Step 2: Convert to fraction form
    5,376,143.20/8,064,214.80 = 2,009,912.80/x
  3. Step 3: Cross multiply
    5,376,143.20x = 8,064,214.80 × 2,009,912.80
  4. Step 4: Simplify right side
    5,376,143.20x = 16,208,368,548,469.44
  5. Step 5: Solve for x
    x = 16,208,368,548,469.44/5,376,143.20
  6. Step 6: Final answer
    x = 3,014,869.20

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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.