Home / 20,206,246.20-30,309,369.30-13,828,954.20

Finding the Fourth Proportional to 20,206,246.20, 30,309,369.30 and 13,828,954.20

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Solution

The fourth proportional to 20,206,246.20, 30,309,369.30 and 13,828,954.20 is: 20,743,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206,246.20 : 30,309,369.30 = 13,828,954.20 : x
  2. Step 2: Convert to fraction form
    20,206,246.20/30,309,369.30 = 13,828,954.20/x
  3. Step 3: Cross multiply
    20,206,246.20x = 30,309,369.30 × 13,828,954.20
  4. Step 4: Simplify right side
    20,206,246.20x = 419,146,879,880,586.06
  5. Step 5: Solve for x
    x = 419,146,879,880,586.06/20,206,246.20
  6. Step 6: Final answer
    x = 20,743,431.30

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1.5x scale

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.