Home / 13,410,719.24-18,513,353.39-8,998,866.38

Finding the Fourth Proportional to 13,410,719.24, 18,513,353.39 and 8,998,866.38

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Solution

The fourth proportional to 13,410,719.24, 18,513,353.39 and 8,998,866.38 is: 12,422,838.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,719.24 : 18,513,353.39 = 8,998,866.38 : x
  2. Step 2: Convert to fraction form
    13,410,719.24/18,513,353.39 = 8,998,866.38/x
  3. Step 3: Cross multiply
    13,410,719.24x = 18,513,353.39 × 8,998,866.38
  4. Step 4: Simplify right side
    13,410,719.24x = 166,599,193,332,260.41
  5. Step 5: Solve for x
    x = 166,599,193,332,260.41/13,410,719.24
  6. Step 6: Final answer
    x = 12,422,838.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.