Home / 11,878,933.92-16,392,928.28-6,446,425.92

Finding the Fourth Proportional to 11,878,933.92, 16,392,928.28 and 6,446,425.92

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Solution

The fourth proportional to 11,878,933.92, 16,392,928.28 and 6,446,425.92 is: 8,896,067.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878,933.92 : 16,392,928.28 = 6,446,425.92 : x
  2. Step 2: Convert to fraction form
    11,878,933.92/16,392,928.28 = 6,446,425.92/x
  3. Step 3: Cross multiply
    11,878,933.92x = 16,392,928.28 × 6,446,425.92
  4. Step 4: Simplify right side
    11,878,933.92x = 105,675,797,736,660.89
  5. Step 5: Solve for x
    x = 105,675,797,736,660.89/11,878,933.92
  6. Step 6: Final answer
    x = 8,896,067.48

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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.