Home / 8,685,794.28-13,028,785.74-2,620,580.34

Finding the Fourth Proportional to 8,685,794.28, 13,028,785.74 and 2,620,580.34

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Solution

The fourth proportional to 8,685,794.28, 13,028,785.74 and 2,620,580.34 is: 3,930,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,794.28 : 13,028,785.74 = 2,620,580.34 : x
  2. Step 2: Convert to fraction form
    8,685,794.28/13,028,785.74 = 2,620,580.34/x
  3. Step 3: Cross multiply
    8,685,794.28x = 13,028,785.74 × 2,620,580.34
  4. Step 4: Simplify right side
    8,685,794.28x = 34,142,979,764,316.35
  5. Step 5: Solve for x
    x = 34,142,979,764,316.35/8,685,794.28
  6. Step 6: Final answer
    x = 3,930,898.97

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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.