Home / 6,239,383.60-9,345,078.60-5,119,639.60

Finding the Fourth Proportional to 6,239,383.60, 9,345,078.60 and 5,119,639.60

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Solution

The fourth proportional to 6,239,383.60, 9,345,078.60 and 5,119,639.60 is: 7,667,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239,383.60 : 9,345,078.60 = 5,119,639.60 : x
  2. Step 2: Convert to fraction form
    6,239,383.60/9,345,078.60 = 5,119,639.60/x
  3. Step 3: Cross multiply
    6,239,383.60x = 9,345,078.60 × 5,119,639.60
  4. Step 4: Simplify right side
    6,239,383.60x = 47,843,434,465,672.55
  5. Step 5: Solve for x
    x = 47,843,434,465,672.55/6,239,383.60
  6. Step 6: Final answer
    x = 7,667,974.52

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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.