Home / 12,227,847.83-18,341,759.91-3,129,930.80

Finding the Fourth Proportional to 12,227,847.83, 18,341,759.91 and 3,129,930.80

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Solution

The fourth proportional to 12,227,847.83, 18,341,759.91 and 3,129,930.80 is: 4,694,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227,847.83 : 18,341,759.91 = 3,129,930.80 : x
  2. Step 2: Convert to fraction form
    12,227,847.83/18,341,759.91 = 3,129,930.80/x
  3. Step 3: Cross multiply
    12,227,847.83x = 18,341,759.91 × 3,129,930.80
  4. Step 4: Simplify right side
    12,227,847.83x = 57,408,439,179,330.84
  5. Step 5: Solve for x
    x = 57,408,439,179,330.84/12,227,847.83
  6. Step 6: Final answer
    x = 4,694,893.16

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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.