Home / 18,202,289.20-27,268,004.40-10,992,406.30

Finding the Fourth Proportional to 18,202,289.20, 27,268,004.40 and 10,992,406.30

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Solution

The fourth proportional to 18,202,289.20, 27,268,004.40 and 10,992,406.30 is: 16,467,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202,289.20 : 27,268,004.40 = 10,992,406.30 : x
  2. Step 2: Convert to fraction form
    18,202,289.20/27,268,004.40 = 10,992,406.30/x
  3. Step 3: Cross multiply
    18,202,289.20x = 27,268,004.40 × 10,992,406.30
  4. Step 4: Simplify right side
    18,202,289.20x = 299,740,983,354,987.75
  5. Step 5: Solve for x
    x = 299,740,983,354,987.75/18,202,289.20
  6. Step 6: Final answer
    x = 16,467,213.55

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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.