Home / 11,809,809.20-17,667,474.60-10,229,920.40

Finding the Fourth Proportional to 11,809,809.20, 17,667,474.60 and 10,229,920.40

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Solution

The fourth proportional to 11,809,809.20, 17,667,474.60 and 10,229,920.40 is: 15,303,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809,809.20 : 17,667,474.60 = 10,229,920.40 : x
  2. Step 2: Convert to fraction form
    11,809,809.20/17,667,474.60 = 10,229,920.40/x
  3. Step 3: Cross multiply
    11,809,809.20x = 17,667,474.60 × 10,229,920.40
  4. Step 4: Simplify right side
    11,809,809.20x = 180,736,858,827,021.88
  5. Step 5: Solve for x
    x = 180,736,858,827,021.88/11,809,809.20
  6. Step 6: Final answer
    x = 15,303,960.95

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Double scale
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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.