Home / 12,107,891.36-16,704,698.34-7,759,375.37

Finding the Fourth Proportional to 12,107,891.36, 16,704,698.34 and 7,759,375.37

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Solution

The fourth proportional to 12,107,891.36, 16,704,698.34 and 7,759,375.37 is: 10,705,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107,891.36 : 16,704,698.34 = 7,759,375.37 : x
  2. Step 2: Convert to fraction form
    12,107,891.36/16,704,698.34 = 7,759,375.37/x
  3. Step 3: Cross multiply
    12,107,891.36x = 16,704,698.34 × 7,759,375.37
  4. Step 4: Simplify right side
    12,107,891.36x = 129,618,024,964,856.59
  5. Step 5: Solve for x
    x = 129,618,024,964,856.59/12,107,891.36
  6. Step 6: Final answer
    x = 10,705,251.74

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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.