Home / 18,105,778.91-24,986,630.74-10,372,315.91

Finding the Fourth Proportional to 18,105,778.91, 24,986,630.74 and 10,372,315.91

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Solution

The fourth proportional to 18,105,778.91, 24,986,630.74 and 10,372,315.91 is: 14,314,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105,778.91 : 24,986,630.74 = 10,372,315.91 : x
  2. Step 2: Convert to fraction form
    18,105,778.91/24,986,630.74 = 10,372,315.91/x
  3. Step 3: Cross multiply
    18,105,778.91x = 24,986,630.74 × 10,372,315.91
  4. Step 4: Simplify right side
    18,105,778.91x = 259,169,227,568,773.16
  5. Step 5: Solve for x
    x = 259,169,227,568,773.16/18,105,778.91
  6. Step 6: Final answer
    x = 14,314,171.67

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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.