Home / 20,257,455.08-30,391,016.63-6,610,626.83

Finding the Fourth Proportional to 20,257,455.08, 30,391,016.63 and 6,610,626.83

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Solution

The fourth proportional to 20,257,455.08, 30,391,016.63 and 6,610,626.83 is: 9,917,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257,455.08 : 30,391,016.63 = 6,610,626.83 : x
  2. Step 2: Convert to fraction form
    20,257,455.08/30,391,016.63 = 6,610,626.83/x
  3. Step 3: Cross multiply
    20,257,455.08x = 30,391,016.63 × 6,610,626.83
  4. Step 4: Simplify right side
    20,257,455.08x = 200,903,669,740,245.97
  5. Step 5: Solve for x
    x = 200,903,669,740,245.97/20,257,455.08
  6. Step 6: Final answer
    x = 9,917,517.72

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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.