Home / 23,071,868.85-31,839,122.88-13,278,738

Finding the Fourth Proportional to 23,071,868.85, 31,839,122.88 and 13,278,738

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Solution

The fourth proportional to 23,071,868.85, 31,839,122.88 and 13,278,738 is: 18,324,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,071,868.85 : 31,839,122.88 = 13,278,738 : x
  2. Step 2: Convert to fraction form
    23,071,868.85/31,839,122.88 = 13,278,738/x
  3. Step 3: Cross multiply
    23,071,868.85x = 31,839,122.88 × 13,278,738
  4. Step 4: Simplify right side
    23,071,868.85x = 422,783,370,873,325.44
  5. Step 5: Solve for x
    x = 422,783,370,873,325.44/23,071,868.85
  6. Step 6: Final answer
    x = 18,324,626.13

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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.