Home / 7,480,135.56-11,220,206.40-1,800,359.85

Finding the Fourth Proportional to 7,480,135.56, 11,220,206.40 and 1,800,359.85

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Solution

The fourth proportional to 7,480,135.56, 11,220,206.40 and 1,800,359.85 is: 2,700,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480,135.56 : 11,220,206.40 = 1,800,359.85 : x
  2. Step 2: Convert to fraction form
    7,480,135.56/11,220,206.40 = 1,800,359.85/x
  3. Step 3: Cross multiply
    7,480,135.56x = 11,220,206.40 × 1,800,359.85
  4. Step 4: Simplify right side
    7,480,135.56x = 20,200,409,111,273.04
  5. Step 5: Solve for x
    x = 20,200,409,111,273.04/7,480,135.56
  6. Step 6: Final answer
    x = 2,700,540.51

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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.