Home / 31,450,823.70-47,160,448.91-18,324,490.37

Finding the Fourth Proportional to 31,450,823.70, 47,160,448.91 and 18,324,490.37

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Solution

The fourth proportional to 31,450,823.70, 47,160,448.91 and 18,324,490.37 is: 27,477,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450,823.70 : 47,160,448.91 = 18,324,490.37 : x
  2. Step 2: Convert to fraction form
    31,450,823.70/47,160,448.91 = 18,324,490.37/x
  3. Step 3: Cross multiply
    31,450,823.70x = 47,160,448.91 × 18,324,490.37
  4. Step 4: Simplify right side
    31,450,823.70x = 864,191,191,660,369.62
  5. Step 5: Solve for x
    x = 864,191,191,660,369.62/31,450,823.70
  6. Step 6: Final answer
    x = 27,477,537.63

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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.