Home / 12,763,940.20-19,147,659.90-4,243,388.20

Finding the Fourth Proportional to 12,763,940.20, 19,147,659.90 and 4,243,388.20

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Solution

The fourth proportional to 12,763,940.20, 19,147,659.90 and 4,243,388.20 is: 6,365,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,940.20 : 19,147,659.90 = 4,243,388.20 : x
  2. Step 2: Convert to fraction form
    12,763,940.20/19,147,659.90 = 4,243,388.20/x
  3. Step 3: Cross multiply
    12,763,940.20x = 19,147,659.90 × 4,243,388.20
  4. Step 4: Simplify right side
    12,763,940.20x = 81,250,954,077,273.17
  5. Step 5: Solve for x
    x = 81,250,954,077,273.17/12,763,940.20
  6. Step 6: Final answer
    x = 6,365,663.96

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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.