Home / 8,667,911.40-13,003,422.30-3,619,732.20

Finding the Fourth Proportional to 8,667,911.40, 13,003,422.30 and 3,619,732.20

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Solution

The fourth proportional to 8,667,911.40, 13,003,422.30 and 3,619,732.20 is: 5,430,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667,911.40 : 13,003,422.30 = 3,619,732.20 : x
  2. Step 2: Convert to fraction form
    8,667,911.40/13,003,422.30 = 3,619,732.20/x
  3. Step 3: Cross multiply
    8,667,911.40x = 13,003,422.30 × 3,619,732.20
  4. Step 4: Simplify right side
    8,667,911.40x = 47,068,906,409,508.06
  5. Step 5: Solve for x
    x = 47,068,906,409,508.06/8,667,911.40
  6. Step 6: Final answer
    x = 5,430,247.75

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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.