Home / 13,998,440.20-20,997,660.30-11,606,955.70

Finding the Fourth Proportional to 13,998,440.20, 20,997,660.30 and 11,606,955.70

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Solution

The fourth proportional to 13,998,440.20, 20,997,660.30 and 11,606,955.70 is: 17,410,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,440.20 : 20,997,660.30 = 11,606,955.70 : x
  2. Step 2: Convert to fraction form
    13,998,440.20/20,997,660.30 = 11,606,955.70/x
  3. Step 3: Cross multiply
    13,998,440.20x = 20,997,660.30 × 11,606,955.70
  4. Step 4: Simplify right side
    13,998,440.20x = 243,718,912,905,748.69
  5. Step 5: Solve for x
    x = 243,718,912,905,748.69/13,998,440.20
  6. Step 6: Final answer
    x = 17,410,433.55

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1.5x scale

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.