Home / 15,789,448.35-21,790,704.61-12,552,972.66

Finding the Fourth Proportional to 15,789,448.35, 21,790,704.61 and 12,552,972.66

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Solution

The fourth proportional to 15,789,448.35, 21,790,704.61 and 12,552,972.66 is: 17,324,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789,448.35 : 21,790,704.61 = 12,552,972.66 : x
  2. Step 2: Convert to fraction form
    15,789,448.35/21,790,704.61 = 12,552,972.66/x
  3. Step 3: Cross multiply
    15,789,448.35x = 21,790,704.61 × 12,552,972.66
  4. Step 4: Simplify right side
    15,789,448.35x = 273,538,119,211,465.97
  5. Step 5: Solve for x
    x = 273,538,119,211,465.97/15,789,448.35
  6. Step 6: Final answer
    x = 17,324,108.68

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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.