Home / 12,101,228.85-18,155,391.54-3,903,706.84

Finding the Fourth Proportional to 12,101,228.85, 18,155,391.54 and 3,903,706.84

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Solution

The fourth proportional to 12,101,228.85, 18,155,391.54 and 3,903,706.84 is: 5,856,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,228.85 : 18,155,391.54 = 3,903,706.84 : x
  2. Step 2: Convert to fraction form
    12,101,228.85/18,155,391.54 = 3,903,706.84/x
  3. Step 3: Cross multiply
    12,101,228.85x = 18,155,391.54 × 3,903,706.84
  4. Step 4: Simplify right side
    12,101,228.85x = 70,873,326,137,576.12
  5. Step 5: Solve for x
    x = 70,873,326,137,576.12/12,101,228.85
  6. Step 6: Final answer
    x = 5,856,704.89

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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.