Home / 20,269,664.64-30,383,035.20-9,477,898.56

Finding the Fourth Proportional to 20,269,664.64, 30,383,035.20 and 9,477,898.56

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Solution

The fourth proportional to 20,269,664.64, 30,383,035.20 and 9,477,898.56 is: 14,206,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,269,664.64 : 30,383,035.20 = 9,477,898.56 : x
  2. Step 2: Convert to fraction form
    20,269,664.64/30,383,035.20 = 9,477,898.56/x
  3. Step 3: Cross multiply
    20,269,664.64x = 30,383,035.20 × 9,477,898.56
  4. Step 4: Simplify right side
    20,269,664.64x = 287,967,325,570,509.31
  5. Step 5: Solve for x
    x = 287,967,325,570,509.31/20,269,664.64
  6. Step 6: Final answer
    x = 14,206,812.53

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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.