Home / 36,085,629.20-54,128,443.80-28,432,878.80

Finding the Fourth Proportional to 36,085,629.20, 54,128,443.80 and 28,432,878.80

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Solution

The fourth proportional to 36,085,629.20, 54,128,443.80 and 28,432,878.80 is: 42,649,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,085,629.20 : 54,128,443.80 = 28,432,878.80 : x
  2. Step 2: Convert to fraction form
    36,085,629.20/54,128,443.80 = 28,432,878.80/x
  3. Step 3: Cross multiply
    36,085,629.20x = 54,128,443.80 × 28,432,878.80
  4. Step 4: Simplify right side
    36,085,629.20x = 1,539,027,482,198,011.50
  5. Step 5: Solve for x
    x = 1,539,027,482,198,011.50/36,085,629.20
  6. Step 6: Final answer
    x = 42,649,318.20

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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.