Home / 12,885,439.80-19,327,714.20-3,300,912.30

Finding the Fourth Proportional to 12,885,439.80, 19,327,714.20 and 3,300,912.30

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Solution

The fourth proportional to 12,885,439.80, 19,327,714.20 and 3,300,912.30 is: 4,951,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,885,439.80 : 19,327,714.20 = 3,300,912.30 : x
  2. Step 2: Convert to fraction form
    12,885,439.80/19,327,714.20 = 3,300,912.30/x
  3. Step 3: Cross multiply
    12,885,439.80x = 19,327,714.20 × 3,300,912.30
  4. Step 4: Simplify right side
    12,885,439.80x = 63,799,089,533,664.66
  5. Step 5: Solve for x
    x = 63,799,089,533,664.66/12,885,439.80
  6. Step 6: Final answer
    x = 4,951,254.32

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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.