Home / 12,591,928.76-18,885,780.29-3,494,950.58

Finding the Fourth Proportional to 12,591,928.76, 18,885,780.29 and 3,494,950.58

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Solution

The fourth proportional to 12,591,928.76, 18,885,780.29 and 3,494,950.58 is: 5,241,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591,928.76 : 18,885,780.29 = 3,494,950.58 : x
  2. Step 2: Convert to fraction form
    12,591,928.76/18,885,780.29 = 3,494,950.58/x
  3. Step 3: Cross multiply
    12,591,928.76x = 18,885,780.29 × 3,494,950.58
  4. Step 4: Simplify right side
    12,591,928.76x = 66,004,868,834,239.90
  5. Step 5: Solve for x
    x = 66,004,868,834,239.90/12,591,928.76
  6. Step 6: Final answer
    x = 5,241,839.44

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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.