Home / 20,180,848.20-30,271,272.30-14,122,420.80

Finding the Fourth Proportional to 20,180,848.20, 30,271,272.30 and 14,122,420.80

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Solution

The fourth proportional to 20,180,848.20, 30,271,272.30 and 14,122,420.80 is: 21,183,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,848.20 : 30,271,272.30 = 14,122,420.80 : x
  2. Step 2: Convert to fraction form
    20,180,848.20/30,271,272.30 = 14,122,420.80/x
  3. Step 3: Cross multiply
    20,180,848.20x = 30,271,272.30 × 14,122,420.80
  4. Step 4: Simplify right side
    20,180,848.20x = 427,503,645,571,983.88
  5. Step 5: Solve for x
    x = 427,503,645,571,983.88/20,180,848.20
  6. Step 6: Final answer
    x = 21,183,631.20

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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.