Home / 18,372,491.27-27,554,626.69-5,415,877.67

Finding the Fourth Proportional to 18,372,491.27, 27,554,626.69 and 5,415,877.67

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Solution

The fourth proportional to 18,372,491.27, 27,554,626.69 and 5,415,877.67 is: 8,122,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,491.27 : 27,554,626.69 = 5,415,877.67 : x
  2. Step 2: Convert to fraction form
    18,372,491.27/27,554,626.69 = 5,415,877.67/x
  3. Step 3: Cross multiply
    18,372,491.27x = 27,554,626.69 × 5,415,877.67
  4. Step 4: Simplify right side
    18,372,491.27x = 149,232,487,450,903.91
  5. Step 5: Solve for x
    x = 149,232,487,450,903.91/18,372,491.27
  6. Step 6: Final answer
    x = 8,122,604.89

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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.