Home / 8,270,150.40-12,396,009.60-3,219,782.40

Finding the Fourth Proportional to 8,270,150.40, 12,396,009.60 and 3,219,782.40

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Solution

The fourth proportional to 8,270,150.40, 12,396,009.60 and 3,219,782.40 is: 4,826,085.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270,150.40 : 12,396,009.60 = 3,219,782.40 : x
  2. Step 2: Convert to fraction form
    8,270,150.40/12,396,009.60 = 3,219,782.40/x
  3. Step 3: Cross multiply
    8,270,150.40x = 12,396,009.60 × 3,219,782.40
  4. Step 4: Simplify right side
    8,270,150.40x = 39,912,453,540,311.04
  5. Step 5: Solve for x
    x = 39,912,453,540,311.04/8,270,150.40
  6. Step 6: Final answer
    x = 4,826,085.57

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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.