Home / 28,085,983.20-42,128,974.80-22,984,149.60

Finding the Fourth Proportional to 28,085,983.20, 42,128,974.80 and 22,984,149.60

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Solution

The fourth proportional to 28,085,983.20, 42,128,974.80 and 22,984,149.60 is: 34,476,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,983.20 : 42,128,974.80 = 22,984,149.60 : x
  2. Step 2: Convert to fraction form
    28,085,983.20/42,128,974.80 = 22,984,149.60/x
  3. Step 3: Cross multiply
    28,085,983.20x = 42,128,974.80 × 22,984,149.60
  4. Step 4: Simplify right side
    28,085,983.20x = 968,298,659,297,830.12
  5. Step 5: Solve for x
    x = 968,298,659,297,830.12/28,085,983.20
  6. Step 6: Final answer
    x = 34,476,224.40

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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.