Home / 13,311,358.64-20,002,148.30-7,167,882.45

Finding the Fourth Proportional to 13,311,358.64, 20,002,148.30 and 7,167,882.45

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Solution

The fourth proportional to 13,311,358.64, 20,002,148.30 and 7,167,882.45 is: 10,770,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,358.64 : 20,002,148.30 = 7,167,882.45 : x
  2. Step 2: Convert to fraction form
    13,311,358.64/20,002,148.30 = 7,167,882.45/x
  3. Step 3: Cross multiply
    13,311,358.64x = 20,002,148.30 × 7,167,882.45
  4. Step 4: Simplify right side
    13,311,358.64x = 143,373,047,726,027.94
  5. Step 5: Solve for x
    x = 143,373,047,726,027.94/13,311,358.64
  6. Step 6: Final answer
    x = 10,770,729.84

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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.