Home / 23,753,965.20-32,780,853-12,888,949.20

Finding the Fourth Proportional to 23,753,965.20, 32,780,853 and 12,888,949.20

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Solution

The fourth proportional to 23,753,965.20, 32,780,853 and 12,888,949.20 is: 17,786,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,753,965.20 : 32,780,853 = 12,888,949.20 : x
  2. Step 2: Convert to fraction form
    23,753,965.20/32,780,853 = 12,888,949.20/x
  3. Step 3: Cross multiply
    23,753,965.20x = 32,780,853 × 12,888,949.20
  4. Step 4: Simplify right side
    23,753,965.20x = 422,510,749,049,667.56
  5. Step 5: Solve for x
    x = 422,510,749,049,667.56/23,753,965.20
  6. Step 6: Final answer
    x = 17,786,956.64

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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.