Home / 10,392,120.92-14,340,548.39-5,745,637.32

Finding the Fourth Proportional to 10,392,120.92, 14,340,548.39 and 5,745,637.32

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Solution

The fourth proportional to 10,392,120.92, 14,340,548.39 and 5,745,637.32 is: 7,928,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392,120.92 : 14,340,548.39 = 5,745,637.32 : x
  2. Step 2: Convert to fraction form
    10,392,120.92/14,340,548.39 = 5,745,637.32/x
  3. Step 3: Cross multiply
    10,392,120.92x = 14,340,548.39 × 5,745,637.32
  4. Step 4: Simplify right side
    10,392,120.92x = 82,395,589,990,121.73
  5. Step 5: Solve for x
    x = 82,395,589,990,121.73/10,392,120.92
  6. Step 6: Final answer
    x = 7,928,659.67

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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.