Home / 8,638,794.30-12,958,239.89-2,881,512.12

Finding the Fourth Proportional to 8,638,794.30, 12,958,239.89 and 2,881,512.12

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Solution

The fourth proportional to 8,638,794.30, 12,958,239.89 and 2,881,512.12 is: 4,322,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,638,794.30 : 12,958,239.89 = 2,881,512.12 : x
  2. Step 2: Convert to fraction form
    8,638,794.30/12,958,239.89 = 2,881,512.12/x
  3. Step 3: Cross multiply
    8,638,794.30x = 12,958,239.89 × 2,881,512.12
  4. Step 4: Simplify right side
    8,638,794.30x = 37,339,325,282,494.91
  5. Step 5: Solve for x
    x = 37,339,325,282,494.91/8,638,794.30
  6. Step 6: Final answer
    x = 4,322,284.34

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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.