Home / 11,839,832.34-16,339,020.99-6,407,325.78

Finding the Fourth Proportional to 11,839,832.34, 16,339,020.99 and 6,407,325.78

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Solution

The fourth proportional to 11,839,832.34, 16,339,020.99 and 6,407,325.78 is: 8,842,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839,832.34 : 16,339,020.99 = 6,407,325.78 : x
  2. Step 2: Convert to fraction form
    11,839,832.34/16,339,020.99 = 6,407,325.78/x
  3. Step 3: Cross multiply
    11,839,832.34x = 16,339,020.99 × 6,407,325.78
  4. Step 4: Simplify right side
    11,839,832.34x = 104,689,430,409,188.12
  5. Step 5: Solve for x
    x = 104,689,430,409,188.12/11,839,832.34
  6. Step 6: Final answer
    x = 8,842,137.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.