Home / 12,101,829.70-16,700,525.24-6,669,321.70

Finding the Fourth Proportional to 12,101,829.70, 16,700,525.24 and 6,669,321.70

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Solution

The fourth proportional to 12,101,829.70, 16,700,525.24 and 6,669,321.70 is: 9,203,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,829.70 : 16,700,525.24 = 6,669,321.70 : x
  2. Step 2: Convert to fraction form
    12,101,829.70/16,700,525.24 = 6,669,321.70/x
  3. Step 3: Cross multiply
    12,101,829.70x = 16,700,525.24 × 6,669,321.70
  4. Step 4: Simplify right side
    12,101,829.70x = 111,381,175,384,529.72
  5. Step 5: Solve for x
    x = 111,381,175,384,529.72/12,101,829.70
  6. Step 6: Final answer
    x = 9,203,664.09

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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.