Home / 13,850,999.20-20,776,498.80-12,256,676.20

Finding the Fourth Proportional to 13,850,999.20, 20,776,498.80 and 12,256,676.20

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Solution

The fourth proportional to 13,850,999.20, 20,776,498.80 and 12,256,676.20 is: 18,385,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,999.20 : 20,776,498.80 = 12,256,676.20 : x
  2. Step 2: Convert to fraction form
    13,850,999.20/20,776,498.80 = 12,256,676.20/x
  3. Step 3: Cross multiply
    13,850,999.20x = 20,776,498.80 × 12,256,676.20
  4. Step 4: Simplify right side
    13,850,999.20x = 254,650,818,361,288.56
  5. Step 5: Solve for x
    x = 254,650,818,361,288.56/13,850,999.20
  6. Step 6: Final answer
    x = 18,385,014.30

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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.