Home / 18,452,949.20-27,679,423.80-13,669,980.20

Finding the Fourth Proportional to 18,452,949.20, 27,679,423.80 and 13,669,980.20

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Solution

The fourth proportional to 18,452,949.20, 27,679,423.80 and 13,669,980.20 is: 20,504,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,949.20 : 27,679,423.80 = 13,669,980.20 : x
  2. Step 2: Convert to fraction form
    18,452,949.20/27,679,423.80 = 13,669,980.20/x
  3. Step 3: Cross multiply
    18,452,949.20x = 27,679,423.80 × 13,669,980.20
  4. Step 4: Simplify right side
    18,452,949.20x = 378,377,175,293,408.75
  5. Step 5: Solve for x
    x = 378,377,175,293,408.75/18,452,949.20
  6. Step 6: Final answer
    x = 20,504,970.30

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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.