Home / 12,250,050.22-18,375,270.20-6,819,660.87

Finding the Fourth Proportional to 12,250,050.22, 18,375,270.20 and 6,819,660.87

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Solution

The fourth proportional to 12,250,050.22, 18,375,270.20 and 6,819,660.87 is: 10,229,599.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250,050.22 : 18,375,270.20 = 6,819,660.87 : x
  2. Step 2: Convert to fraction form
    12,250,050.22/18,375,270.20 = 6,819,660.87/x
  3. Step 3: Cross multiply
    12,250,050.22x = 18,375,270.20 × 6,819,660.87
  4. Step 4: Simplify right side
    12,250,050.22x = 125,313,111,113,681.98
  5. Step 5: Solve for x
    x = 125,313,111,113,681.98/12,250,050.22
  6. Step 6: Final answer
    x = 10,229,599.79

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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.