Home / 23,122,682.92-31,906,976.95-12,807,478.72

Finding the Fourth Proportional to 23,122,682.92, 31,906,976.95 and 12,807,478.72

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Solution

The fourth proportional to 23,122,682.92, 31,906,976.95 and 12,807,478.72 is: 17,673,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122,682.92 : 31,906,976.95 = 12,807,478.72 : x
  2. Step 2: Convert to fraction form
    23,122,682.92/31,906,976.95 = 12,807,478.72/x
  3. Step 3: Cross multiply
    23,122,682.92x = 31,906,976.95 × 12,807,478.72
  4. Step 4: Simplify right side
    23,122,682.92x = 408,647,928,290,506.50
  5. Step 5: Solve for x
    x = 408,647,928,290,506.50/23,122,682.92
  6. Step 6: Final answer
    x = 17,673,032.57

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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.