Home / 7,146,964.53-10,722,447.90-2,890,122.12

Finding the Fourth Proportional to 7,146,964.53, 10,722,447.90 and 2,890,122.12

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Solution

The fourth proportional to 7,146,964.53, 10,722,447.90 and 2,890,122.12 is: 4,335,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,964.53 : 10,722,447.90 = 2,890,122.12 : x
  2. Step 2: Convert to fraction form
    7,146,964.53/10,722,447.90 = 2,890,122.12/x
  3. Step 3: Cross multiply
    7,146,964.53x = 10,722,447.90 × 2,890,122.12
  4. Step 4: Simplify right side
    7,146,964.53x = 30,989,183,856,337.55
  5. Step 5: Solve for x
    x = 30,989,183,856,337.55/7,146,964.53
  6. Step 6: Final answer
    x = 4,335,992.40

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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.