Home / 7,629,971.36-11,443,181.52-2,839,916.48

Finding the Fourth Proportional to 7,629,971.36, 11,443,181.52 and 2,839,916.48

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Solution

The fourth proportional to 7,629,971.36, 11,443,181.52 and 2,839,916.48 is: 4,259,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629,971.36 : 11,443,181.52 = 2,839,916.48 : x
  2. Step 2: Convert to fraction form
    7,629,971.36/11,443,181.52 = 2,839,916.48/x
  3. Step 3: Cross multiply
    7,629,971.36x = 11,443,181.52 × 2,839,916.48
  4. Step 4: Simplify right side
    7,629,971.36x = 32,497,679,782,279.45
  5. Step 5: Solve for x
    x = 32,497,679,782,279.45/7,629,971.36
  6. Step 6: Final answer
    x = 4,259,213.86

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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.