Home / 7,243,331.60-10,864,997.40-3,647,709.20

Finding the Fourth Proportional to 7,243,331.60, 10,864,997.40 and 3,647,709.20

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Solution

The fourth proportional to 7,243,331.60, 10,864,997.40 and 3,647,709.20 is: 5,471,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,331.60 : 10,864,997.40 = 3,647,709.20 : x
  2. Step 2: Convert to fraction form
    7,243,331.60/10,864,997.40 = 3,647,709.20/x
  3. Step 3: Cross multiply
    7,243,331.60x = 10,864,997.40 × 3,647,709.20
  4. Step 4: Simplify right side
    7,243,331.60x = 39,632,350,973,956.09
  5. Step 5: Solve for x
    x = 39,632,350,973,956.09/7,243,331.60
  6. Step 6: Final answer
    x = 5,471,563.80

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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.