Home / 22,012,940.20-30,380,660.51-13,311,175.20

Finding the Fourth Proportional to 22,012,940.20, 30,380,660.51 and 13,311,175.20

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Solution

The fourth proportional to 22,012,940.20, 30,380,660.51 and 13,311,175.20 is: 18,371,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012,940.20 : 30,380,660.51 = 13,311,175.20 : x
  2. Step 2: Convert to fraction form
    22,012,940.20/30,380,660.51 = 13,311,175.20/x
  3. Step 3: Cross multiply
    22,012,940.20x = 30,380,660.51 × 13,311,175.20
  4. Step 4: Simplify right side
    22,012,940.20x = 404,402,294,740,331.38
  5. Step 5: Solve for x
    x = 404,402,294,740,331.38/22,012,940.20
  6. Step 6: Final answer
    x = 18,371,116.76

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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.