Home / 17,763,528.40-26,609,863.20-12,378,259.60

Finding the Fourth Proportional to 17,763,528.40, 26,609,863.20 and 12,378,259.60

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Solution

The fourth proportional to 17,763,528.40, 26,609,863.20 and 12,378,259.60 is: 18,542,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763,528.40 : 26,609,863.20 = 12,378,259.60 : x
  2. Step 2: Convert to fraction form
    17,763,528.40/26,609,863.20 = 12,378,259.60/x
  3. Step 3: Cross multiply
    17,763,528.40x = 26,609,863.20 × 12,378,259.60
  4. Step 4: Simplify right side
    17,763,528.40x = 329,383,794,610,086.69
  5. Step 5: Solve for x
    x = 329,383,794,610,086.69/17,763,528.40
  6. Step 6: Final answer
    x = 18,542,700.93

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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.