Home / 12,621,867.82-18,932,800.92-3,037,247.35

Finding the Fourth Proportional to 12,621,867.82, 18,932,800.92 and 3,037,247.35

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Solution

The fourth proportional to 12,621,867.82, 18,932,800.92 and 3,037,247.35 is: 4,555,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,867.82 : 18,932,800.92 = 3,037,247.35 : x
  2. Step 2: Convert to fraction form
    12,621,867.82/18,932,800.92 = 3,037,247.35/x
  3. Step 3: Cross multiply
    12,621,867.82x = 18,932,800.92 × 3,037,247.35
  4. Step 4: Simplify right side
    12,621,867.82x = 57,503,599,422,347.57
  5. Step 5: Solve for x
    x = 57,503,599,422,347.57/12,621,867.82
  6. Step 6: Final answer
    x = 4,555,870.83

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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.