Home / 11,356,919.20-17,035,378.80-8,155,280.80

Finding the Fourth Proportional to 11,356,919.20, 17,035,378.80 and 8,155,280.80

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Solution

The fourth proportional to 11,356,919.20, 17,035,378.80 and 8,155,280.80 is: 12,232,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356,919.20 : 17,035,378.80 = 8,155,280.80 : x
  2. Step 2: Convert to fraction form
    11,356,919.20/17,035,378.80 = 8,155,280.80/x
  3. Step 3: Cross multiply
    11,356,919.20x = 17,035,378.80 × 8,155,280.80
  4. Step 4: Simplify right side
    11,356,919.20x = 138,928,297,648,367.05
  5. Step 5: Solve for x
    x = 138,928,297,648,367.05/11,356,919.20
  6. Step 6: Final answer
    x = 12,232,921.20

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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.