Home / 12,507,502.66-18,764,488.52-7,324,488.96

Finding the Fourth Proportional to 12,507,502.66, 18,764,488.52 and 7,324,488.96

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Solution

The fourth proportional to 12,507,502.66, 18,764,488.52 and 7,324,488.96 is: 10,988,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,502.66 : 18,764,488.52 = 7,324,488.96 : x
  2. Step 2: Convert to fraction form
    12,507,502.66/18,764,488.52 = 7,324,488.96/x
  3. Step 3: Cross multiply
    12,507,502.66x = 18,764,488.52 × 7,324,488.96
  4. Step 4: Simplify right side
    12,507,502.66x = 137,440,289,004,786.73
  5. Step 5: Solve for x
    x = 137,440,289,004,786.73/12,507,502.66
  6. Step 6: Final answer
    x = 10,988,627.61

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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.