Home / 28,764,016.52-43,140,205.74-10,561,964.36

Finding the Fourth Proportional to 28,764,016.52, 43,140,205.74 and 10,561,964.36

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Solution

The fourth proportional to 28,764,016.52, 43,140,205.74 and 10,561,964.36 is: 15,840,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,764,016.52 : 43,140,205.74 = 10,561,964.36 : x
  2. Step 2: Convert to fraction form
    28,764,016.52/43,140,205.74 = 10,561,964.36/x
  3. Step 3: Cross multiply
    28,764,016.52x = 43,140,205.74 × 10,561,964.36
  4. Step 4: Simplify right side
    28,764,016.52x = 455,645,315,508,947.44
  5. Step 5: Solve for x
    x = 455,645,315,508,947.44/28,764,016.52
  6. Step 6: Final answer
    x = 15,840,809.83

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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.