Home / 13,456,848.20-20,161,215.30-8,189,094.20

Finding the Fourth Proportional to 13,456,848.20, 20,161,215.30 and 8,189,094.20

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Solution

The fourth proportional to 13,456,848.20, 20,161,215.30 and 8,189,094.20 is: 12,269,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,848.20 : 20,161,215.30 = 8,189,094.20 : x
  2. Step 2: Convert to fraction form
    13,456,848.20/20,161,215.30 = 8,189,094.20/x
  3. Step 3: Cross multiply
    13,456,848.20x = 20,161,215.30 × 8,189,094.20
  4. Step 4: Simplify right side
    13,456,848.20x = 165,102,091,278,181.28
  5. Step 5: Solve for x
    x = 165,102,091,278,181.28/13,456,848.20
  6. Step 6: Final answer
    x = 12,269,001.54

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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.