Home / 13,430,119.32-20,149,101.78-4,332,015.48

Finding the Fourth Proportional to 13,430,119.32, 20,149,101.78 and 4,332,015.48

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Solution

The fourth proportional to 13,430,119.32, 20,149,101.78 and 4,332,015.48 is: 6,499,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430,119.32 : 20,149,101.78 = 4,332,015.48 : x
  2. Step 2: Convert to fraction form
    13,430,119.32/20,149,101.78 = 4,332,015.48/x
  3. Step 3: Cross multiply
    13,430,119.32x = 20,149,101.78 × 4,332,015.48
  4. Step 4: Simplify right side
    13,430,119.32x = 87,286,220,819,055.56
  5. Step 5: Solve for x
    x = 87,286,220,819,055.56/13,430,119.32
  6. Step 6: Final answer
    x = 6,499,288.56

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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.