Home / 40,321,920.20-60,482,880.30-28,984,512.20

Finding the Fourth Proportional to 40,321,920.20, 60,482,880.30 and 28,984,512.20

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Solution

The fourth proportional to 40,321,920.20, 60,482,880.30 and 28,984,512.20 is: 43,476,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321,920.20 : 60,482,880.30 = 28,984,512.20 : x
  2. Step 2: Convert to fraction form
    40,321,920.20/60,482,880.30 = 28,984,512.20/x
  3. Step 3: Cross multiply
    40,321,920.20x = 60,482,880.30 × 28,984,512.20
  4. Step 4: Simplify right side
    40,321,920.20x = 1,753,066,781,946,489.50
  5. Step 5: Solve for x
    x = 1,753,066,781,946,489.50/40,321,920.20
  6. Step 6: Final answer
    x = 43,476,768.30

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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.