Home / 22,573,228.21-31,150,012.28-12,783,742.56

Finding the Fourth Proportional to 22,573,228.21, 31,150,012.28 and 12,783,742.56

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Solution

The fourth proportional to 22,573,228.21, 31,150,012.28 and 12,783,742.56 is: 17,640,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,573,228.21 : 31,150,012.28 = 12,783,742.56 : x
  2. Step 2: Convert to fraction form
    22,573,228.21/31,150,012.28 = 12,783,742.56/x
  3. Step 3: Cross multiply
    22,573,228.21x = 31,150,012.28 × 12,783,742.56
  4. Step 4: Simplify right side
    22,573,228.21x = 398,213,737,728,358.69
  5. Step 5: Solve for x
    x = 398,213,737,728,358.69/22,573,228.21
  6. Step 6: Final answer
    x = 17,640,974.26

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1.5x scale

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.